./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:11:32,645 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:11:32,776 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-06 23:11:32,788 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:11:32,789 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:11:32,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:11:32,839 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:11:32,839 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:11:32,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:11:32,846 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:11:32,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:11:32,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:11:32,848 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:11:32,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:11:32,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:11:32,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:11:32,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:11:32,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:11:32,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:11:32,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:11:32,854 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 23:11:32,854 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:11:32,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:11:32,855 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:11:32,856 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:11:32,857 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:11:32,857 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:11:32,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:11:32,858 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:11:32,859 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:11:32,860 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:11:32,860 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:11:32,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:11:32,861 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:11:32,861 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:11:32,862 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:11:32,862 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:11:32,862 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:11:32,862 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2023-11-06 23:11:33,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:11:33,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:11:33,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:11:33,228 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:11:33,229 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:11:33,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2023-11-06 23:11:36,336 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:11:36,824 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:11:36,824 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2023-11-06 23:11:36,870 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/data/985812c8d/baafe48a2a0d428cbaca31ecf5af2551/FLAG5e35c3aa2 [2023-11-06 23:11:36,886 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/data/985812c8d/baafe48a2a0d428cbaca31ecf5af2551 [2023-11-06 23:11:36,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:11:36,890 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:11:36,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:11:36,892 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:11:36,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:11:36,899 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:11:36" (1/1) ... [2023-11-06 23:11:36,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f812270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:36, skipping insertion in model container [2023-11-06 23:11:36,900 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:11:36" (1/1) ... [2023-11-06 23:11:36,990 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:11:38,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:11:38,450 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:11:38,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:11:38,807 WARN L672 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:11:38,807 WARN L672 CHandler]: The function longjmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:11:38,813 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:11:38,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:38 WrapperNode [2023-11-06 23:11:38,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:11:38,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:11:38,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:11:38,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:11:38,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:38" (1/1) ... [2023-11-06 23:11:38,886 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:38" (1/1) ... [2023-11-06 23:11:38,943 INFO L138 Inliner]: procedures = 597, calls = 167, calls flagged for inlining = 16, calls inlined = 14, statements flattened = 463 [2023-11-06 23:11:38,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:11:38,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:11:38,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:11:38,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:11:38,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:38" (1/1) ... [2023-11-06 23:11:38,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:38" (1/1) ... [2023-11-06 23:11:38,967 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:38" (1/1) ... [2023-11-06 23:11:38,968 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:38" (1/1) ... [2023-11-06 23:11:38,997 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:38" (1/1) ... [2023-11-06 23:11:39,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:38" (1/1) ... [2023-11-06 23:11:39,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:38" (1/1) ... [2023-11-06 23:11:39,018 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:38" (1/1) ... [2023-11-06 23:11:39,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:11:39,030 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:11:39,031 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:11:39,031 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:11:39,032 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:38" (1/1) ... [2023-11-06 23:11:39,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:11:39,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:39,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:11:39,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:11:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2023-11-06 23:11:39,143 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2023-11-06 23:11:39,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:11:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 23:11:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 23:11:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 23:11:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 23:11:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-06 23:11:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:11:39,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 23:11:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:11:39,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:11:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-06 23:11:39,145 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-06 23:11:39,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 23:11:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 23:11:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:11:39,147 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:11:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:11:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 23:11:39,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:11:39,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:11:39,549 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:11:39,551 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:11:40,327 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:11:40,337 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:11:40,337 INFO L302 CfgBuilder]: Removed 9 assume(true) statements. [2023-11-06 23:11:40,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:40 BoogieIcfgContainer [2023-11-06 23:11:40,341 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:11:40,345 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:11:40,345 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:11:40,349 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:11:40,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:11:36" (1/3) ... [2023-11-06 23:11:40,351 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37370d03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:11:40, skipping insertion in model container [2023-11-06 23:11:40,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:11:38" (2/3) ... [2023-11-06 23:11:40,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37370d03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:11:40, skipping insertion in model container [2023-11-06 23:11:40,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:40" (3/3) ... [2023-11-06 23:11:40,355 INFO L112 eAbstractionObserver]: Analyzing ICFG chgrp-incomplete-1.i [2023-11-06 23:11:40,375 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:11:40,376 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2023-11-06 23:11:40,456 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:11:40,465 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@53a2e2ad, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:11:40,465 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2023-11-06 23:11:40,472 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 109 states have (on average 1.6697247706422018) internal successors, (182), 141 states have internal predecessors, (182), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:11:40,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-06 23:11:40,479 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:40,480 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-06 23:11:40,480 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:11:40,489 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:40,489 INFO L85 PathProgramCache]: Analyzing trace with hash 2495749, now seen corresponding path program 1 times [2023-11-06 23:11:40,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:40,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207399078] [2023-11-06 23:11:40,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:40,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:41,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:11:41,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:41,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207399078] [2023-11-06 23:11:41,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207399078] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:41,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:41,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:11:41,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626691933] [2023-11-06 23:11:41,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:41,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:11:41,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:41,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:11:41,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:41,153 INFO L87 Difference]: Start difference. First operand has 153 states, 109 states have (on average 1.6697247706422018) internal successors, (182), 141 states have internal predecessors, (182), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:41,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:41,259 INFO L93 Difference]: Finished difference Result 303 states and 401 transitions. [2023-11-06 23:11:41,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:11:41,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-06 23:11:41,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:41,271 INFO L225 Difference]: With dead ends: 303 [2023-11-06 23:11:41,271 INFO L226 Difference]: Without dead ends: 142 [2023-11-06 23:11:41,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:41,279 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 1 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:41,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 358 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:41,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-11-06 23:11:41,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2023-11-06 23:11:41,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 99 states have (on average 1.5252525252525253) internal successors, (151), 130 states have internal predecessors, (151), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:11:41,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 167 transitions. [2023-11-06 23:11:41,332 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 167 transitions. Word has length 4 [2023-11-06 23:11:41,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:41,332 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 167 transitions. [2023-11-06 23:11:41,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:41,333 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2023-11-06 23:11:41,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-06 23:11:41,334 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:41,334 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-06 23:11:41,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:11:41,335 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:11:41,335 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:41,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1336509598, now seen corresponding path program 1 times [2023-11-06 23:11:41,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:41,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018488270] [2023-11-06 23:11:41,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:41,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:41,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:11:41,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:41,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018488270] [2023-11-06 23:11:41,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018488270] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:11:41,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47058278] [2023-11-06 23:11:41,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:41,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:41,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:41,543 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:11:41,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 23:11:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:41,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:11:41,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:41,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:11:41,824 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:11:41,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [47058278] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:41,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:11:41,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-11-06 23:11:41,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195472016] [2023-11-06 23:11:41,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:41,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:11:41,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:41,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:11:41,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:11:41,829 INFO L87 Difference]: Start difference. First operand 142 states and 167 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:41,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:41,889 INFO L93 Difference]: Finished difference Result 142 states and 167 transitions. [2023-11-06 23:11:41,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:11:41,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-06 23:11:41,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:41,894 INFO L225 Difference]: With dead ends: 142 [2023-11-06 23:11:41,894 INFO L226 Difference]: Without dead ends: 141 [2023-11-06 23:11:41,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:11:41,896 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 3 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:41,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 470 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:41,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-11-06 23:11:41,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2023-11-06 23:11:41,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 99 states have (on average 1.5151515151515151) internal successors, (150), 129 states have internal predecessors, (150), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:11:41,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 166 transitions. [2023-11-06 23:11:41,931 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 166 transitions. Word has length 7 [2023-11-06 23:11:41,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:41,932 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 166 transitions. [2023-11-06 23:11:41,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:41,932 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 166 transitions. [2023-11-06 23:11:41,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 23:11:41,933 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:41,933 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2023-11-06 23:11:41,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 23:11:42,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:42,134 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:11:42,134 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:42,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1517875326, now seen corresponding path program 1 times [2023-11-06 23:11:42,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:42,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803908122] [2023-11-06 23:11:42,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:42,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:42,314 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:11:42,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:42,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803908122] [2023-11-06 23:11:42,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803908122] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:42,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:42,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:11:42,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587225981] [2023-11-06 23:11:42,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:42,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:11:42,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:42,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:11:42,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:42,327 INFO L87 Difference]: Start difference. First operand 141 states and 166 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:42,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:42,367 INFO L93 Difference]: Finished difference Result 141 states and 166 transitions. [2023-11-06 23:11:42,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:11:42,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-06 23:11:42,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:42,372 INFO L225 Difference]: With dead ends: 141 [2023-11-06 23:11:42,372 INFO L226 Difference]: Without dead ends: 140 [2023-11-06 23:11:42,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:42,380 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:42,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 315 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:42,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-11-06 23:11:42,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2023-11-06 23:11:42,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 97 states have (on average 1.5154639175257731) internal successors, (147), 126 states have internal predecessors, (147), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:11:42,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 163 transitions. [2023-11-06 23:11:42,408 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 163 transitions. Word has length 8 [2023-11-06 23:11:42,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:42,409 INFO L495 AbstractCegarLoop]: Abstraction has 138 states and 163 transitions. [2023-11-06 23:11:42,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:11:42,410 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 163 transitions. [2023-11-06 23:11:42,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-06 23:11:42,410 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:42,410 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:42,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 23:11:42,411 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:11:42,413 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:42,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1638997871, now seen corresponding path program 1 times [2023-11-06 23:11:42,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:42,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384187953] [2023-11-06 23:11:42,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:42,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:42,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 23:11:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:42,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:11:42,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:42,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384187953] [2023-11-06 23:11:42,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384187953] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:11:42,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083291856] [2023-11-06 23:11:42,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:42,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:42,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:42,665 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:11:42,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 23:11:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:42,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:11:42,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:42,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:11:42,888 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:11:42,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083291856] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:42,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:11:42,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-06 23:11:42,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316193161] [2023-11-06 23:11:42,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:42,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:11:42,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:42,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:11:42,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:11:42,893 INFO L87 Difference]: Start difference. First operand 138 states and 163 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:42,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:42,938 INFO L93 Difference]: Finished difference Result 138 states and 163 transitions. [2023-11-06 23:11:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:11:42,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2023-11-06 23:11:42,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:42,940 INFO L225 Difference]: With dead ends: 138 [2023-11-06 23:11:42,941 INFO L226 Difference]: Without dead ends: 136 [2023-11-06 23:11:42,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:11:42,949 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 116 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:42,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 185 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:42,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-11-06 23:11:42,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2023-11-06 23:11:42,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 97 states have (on average 1.4948453608247423) internal successors, (145), 124 states have internal predecessors, (145), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:11:42,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 161 transitions. [2023-11-06 23:11:42,972 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 161 transitions. Word has length 13 [2023-11-06 23:11:42,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:42,973 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 161 transitions. [2023-11-06 23:11:42,973 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:42,974 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 161 transitions. [2023-11-06 23:11:42,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-06 23:11:42,974 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:42,974 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:42,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-06 23:11:43,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:43,181 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:11:43,182 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:43,182 INFO L85 PathProgramCache]: Analyzing trace with hash 730673656, now seen corresponding path program 1 times [2023-11-06 23:11:43,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:43,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108711603] [2023-11-06 23:11:43,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:43,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:43,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 23:11:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:43,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:11:43,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:43,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108711603] [2023-11-06 23:11:43,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108711603] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:11:43,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255221660] [2023-11-06 23:11:43,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:43,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:43,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:43,353 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:11:43,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 23:11:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:43,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:11:43,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:43,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:11:43,588 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:11:43,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:11:43,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255221660] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:11:43,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:11:43,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-06 23:11:43,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268791466] [2023-11-06 23:11:43,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:11:43,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:11:43,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:43,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:11:43,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:11:43,631 INFO L87 Difference]: Start difference. First operand 136 states and 161 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:11:43,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:43,685 INFO L93 Difference]: Finished difference Result 275 states and 327 transitions. [2023-11-06 23:11:43,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:11:43,687 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2023-11-06 23:11:43,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:43,688 INFO L225 Difference]: With dead ends: 275 [2023-11-06 23:11:43,688 INFO L226 Difference]: Without dead ends: 145 [2023-11-06 23:11:43,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:11:43,692 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 4 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:43,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 619 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:43,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-11-06 23:11:43,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2023-11-06 23:11:43,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 106 states have (on average 1.4528301886792452) internal successors, (154), 133 states have internal predecessors, (154), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:11:43,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions. [2023-11-06 23:11:43,715 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 14 [2023-11-06 23:11:43,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:43,715 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions. [2023-11-06 23:11:43,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:11:43,716 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2023-11-06 23:11:43,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-06 23:11:43,717 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:43,717 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:43,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 23:11:43,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:43,924 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:11:43,924 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:43,924 INFO L85 PathProgramCache]: Analyzing trace with hash -2061351695, now seen corresponding path program 2 times [2023-11-06 23:11:43,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:43,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506880027] [2023-11-06 23:11:43,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:43,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:44,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 23:11:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:44,332 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:11:44,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:44,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506880027] [2023-11-06 23:11:44,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506880027] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:11:44,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127794030] [2023-11-06 23:11:44,333 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 23:11:44,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:44,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:44,334 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:11:44,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 23:11:44,552 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 23:11:44,552 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 23:11:44,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:11:44,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:44,616 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-06 23:11:44,616 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:11:44,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127794030] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:44,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:11:44,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2023-11-06 23:11:44,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363696786] [2023-11-06 23:11:44,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:44,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:11:44,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:44,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:11:44,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-06 23:11:44,619 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:44,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:44,707 INFO L93 Difference]: Finished difference Result 145 states and 170 transitions. [2023-11-06 23:11:44,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:11:44,708 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2023-11-06 23:11:44,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:44,710 INFO L225 Difference]: With dead ends: 145 [2023-11-06 23:11:44,710 INFO L226 Difference]: Without dead ends: 143 [2023-11-06 23:11:44,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:11:44,712 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 115 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:44,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 461 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:11:44,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-06 23:11:44,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2023-11-06 23:11:44,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 106 states have (on average 1.4339622641509433) internal successors, (152), 131 states have internal predecessors, (152), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:11:44,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2023-11-06 23:11:44,727 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 23 [2023-11-06 23:11:44,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:44,728 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2023-11-06 23:11:44,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:44,728 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2023-11-06 23:11:44,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-06 23:11:44,729 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:44,729 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:44,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 23:11:44,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-06 23:11:44,937 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:11:44,937 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:44,938 INFO L85 PathProgramCache]: Analyzing trace with hash 184504293, now seen corresponding path program 1 times [2023-11-06 23:11:44,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:44,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288811417] [2023-11-06 23:11:44,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:44,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:45,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 23:11:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:45,123 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-06 23:11:45,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:45,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288811417] [2023-11-06 23:11:45,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288811417] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:45,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:45,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:11:45,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325760677] [2023-11-06 23:11:45,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:45,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:11:45,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:45,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:11:45,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:45,126 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:45,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:45,160 INFO L93 Difference]: Finished difference Result 268 states and 319 transitions. [2023-11-06 23:11:45,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:11:45,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2023-11-06 23:11:45,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:45,163 INFO L225 Difference]: With dead ends: 268 [2023-11-06 23:11:45,163 INFO L226 Difference]: Without dead ends: 146 [2023-11-06 23:11:45,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:45,165 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 1 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:45,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 304 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:45,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-11-06 23:11:45,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2023-11-06 23:11:45,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 109 states have (on average 1.4220183486238531) internal successors, (155), 134 states have internal predecessors, (155), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:11:45,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 171 transitions. [2023-11-06 23:11:45,176 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 171 transitions. Word has length 28 [2023-11-06 23:11:45,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:45,176 INFO L495 AbstractCegarLoop]: Abstraction has 146 states and 171 transitions. [2023-11-06 23:11:45,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:45,177 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 171 transitions. [2023-11-06 23:11:45,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-06 23:11:45,178 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:45,178 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:45,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 23:11:45,179 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:11:45,179 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:45,179 INFO L85 PathProgramCache]: Analyzing trace with hash -990617184, now seen corresponding path program 1 times [2023-11-06 23:11:45,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:45,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212139832] [2023-11-06 23:11:45,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:45,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:45,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 23:11:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:45,436 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-06 23:11:45,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:45,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212139832] [2023-11-06 23:11:45,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212139832] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:11:45,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655293357] [2023-11-06 23:11:45,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:45,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:45,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:45,438 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:11:45,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 23:11:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:45,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:11:45,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:45,800 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-06 23:11:45,800 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:11:45,918 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-06 23:11:45,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655293357] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:11:45,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:11:45,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2023-11-06 23:11:45,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884705880] [2023-11-06 23:11:45,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:11:45,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 23:11:45,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:45,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 23:11:45,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-06 23:11:45,921 INFO L87 Difference]: Start difference. First operand 146 states and 171 transitions. Second operand has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 23:11:46,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:46,057 INFO L93 Difference]: Finished difference Result 294 states and 350 transitions. [2023-11-06 23:11:46,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 23:11:46,058 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2023-11-06 23:11:46,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:46,060 INFO L225 Difference]: With dead ends: 294 [2023-11-06 23:11:46,060 INFO L226 Difference]: Without dead ends: 163 [2023-11-06 23:11:46,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-06 23:11:46,061 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 7 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:46,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 879 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:11:46,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2023-11-06 23:11:46,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2023-11-06 23:11:46,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 127 states have (on average 1.3543307086614174) internal successors, (172), 151 states have internal predecessors, (172), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:11:46,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 188 transitions. [2023-11-06 23:11:46,073 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 188 transitions. Word has length 31 [2023-11-06 23:11:46,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:46,073 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 188 transitions. [2023-11-06 23:11:46,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 23:11:46,073 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 188 transitions. [2023-11-06 23:11:46,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-06 23:11:46,075 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:46,075 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:46,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 23:11:46,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:46,283 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:11:46,283 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:46,283 INFO L85 PathProgramCache]: Analyzing trace with hash 480595009, now seen corresponding path program 1 times [2023-11-06 23:11:46,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:46,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655549602] [2023-11-06 23:11:46,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:46,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:46,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:11:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:46,562 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-06 23:11:46,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:46,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655549602] [2023-11-06 23:11:46,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655549602] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:46,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:46,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:11:46,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322555412] [2023-11-06 23:11:46,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:46,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:11:46,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:46,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:11:46,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:46,566 INFO L87 Difference]: Start difference. First operand 163 states and 188 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:46,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:46,611 INFO L93 Difference]: Finished difference Result 177 states and 204 transitions. [2023-11-06 23:11:46,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:11:46,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2023-11-06 23:11:46,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:46,615 INFO L225 Difference]: With dead ends: 177 [2023-11-06 23:11:46,616 INFO L226 Difference]: Without dead ends: 175 [2023-11-06 23:11:46,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:46,619 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 3 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:46,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 299 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:46,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-11-06 23:11:46,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 173. [2023-11-06 23:11:46,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 137 states have (on average 1.3503649635036497) internal successors, (185), 161 states have internal predecessors, (185), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:11:46,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 201 transitions. [2023-11-06 23:11:46,634 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 201 transitions. Word has length 50 [2023-11-06 23:11:46,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:46,636 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 201 transitions. [2023-11-06 23:11:46,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:46,636 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 201 transitions. [2023-11-06 23:11:46,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-06 23:11:46,644 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:46,644 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:46,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 23:11:46,645 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:11:46,647 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:46,647 INFO L85 PathProgramCache]: Analyzing trace with hash 480596738, now seen corresponding path program 1 times [2023-11-06 23:11:46,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:46,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519886922] [2023-11-06 23:11:46,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:46,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:46,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:11:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:46,861 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-06 23:11:46,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:46,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519886922] [2023-11-06 23:11:46,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519886922] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:46,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:46,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:11:46,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487026206] [2023-11-06 23:11:46,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:46,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:11:46,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:46,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:11:46,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:46,864 INFO L87 Difference]: Start difference. First operand 173 states and 201 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:46,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:46,886 INFO L93 Difference]: Finished difference Result 173 states and 201 transitions. [2023-11-06 23:11:46,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:11:46,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2023-11-06 23:11:46,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:46,888 INFO L225 Difference]: With dead ends: 173 [2023-11-06 23:11:46,888 INFO L226 Difference]: Without dead ends: 172 [2023-11-06 23:11:46,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:46,889 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:46,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 302 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:46,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2023-11-06 23:11:46,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 168. [2023-11-06 23:11:46,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 133 states have (on average 1.3458646616541354) internal successors, (179), 156 states have internal predecessors, (179), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:11:46,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 195 transitions. [2023-11-06 23:11:46,904 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 195 transitions. Word has length 50 [2023-11-06 23:11:46,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:46,906 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 195 transitions. [2023-11-06 23:11:46,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:46,906 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 195 transitions. [2023-11-06 23:11:46,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-06 23:11:46,908 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:46,908 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:46,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 23:11:46,909 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:11:46,909 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:46,910 INFO L85 PathProgramCache]: Analyzing trace with hash -889138332, now seen corresponding path program 1 times [2023-11-06 23:11:46,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:46,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340716201] [2023-11-06 23:11:46,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:46,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:46,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:47,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:11:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:47,139 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 23:11:47,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:47,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340716201] [2023-11-06 23:11:47,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340716201] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:47,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:47,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:11:47,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395163638] [2023-11-06 23:11:47,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:47,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:11:47,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:47,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:11:47,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:47,141 INFO L87 Difference]: Start difference. First operand 168 states and 195 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:47,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:47,172 INFO L93 Difference]: Finished difference Result 173 states and 200 transitions. [2023-11-06 23:11:47,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:11:47,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 52 [2023-11-06 23:11:47,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:47,176 INFO L225 Difference]: With dead ends: 173 [2023-11-06 23:11:47,176 INFO L226 Difference]: Without dead ends: 171 [2023-11-06 23:11:47,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:47,177 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 1 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:47,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 302 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:47,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-11-06 23:11:47,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2023-11-06 23:11:47,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 136 states have (on average 1.338235294117647) internal successors, (182), 159 states have internal predecessors, (182), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:11:47,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 198 transitions. [2023-11-06 23:11:47,192 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 198 transitions. Word has length 52 [2023-11-06 23:11:47,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:47,193 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 198 transitions. [2023-11-06 23:11:47,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:47,193 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 198 transitions. [2023-11-06 23:11:47,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-06 23:11:47,195 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:47,195 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:47,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-06 23:11:47,195 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:11:47,196 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:47,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1074462750, now seen corresponding path program 1 times [2023-11-06 23:11:47,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:47,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375900498] [2023-11-06 23:11:47,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:47,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:47,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:11:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:47,480 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 23:11:47,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:47,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375900498] [2023-11-06 23:11:47,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375900498] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:47,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:47,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:11:47,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693156977] [2023-11-06 23:11:47,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:47,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:11:47,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:47,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:11:47,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:47,484 INFO L87 Difference]: Start difference. First operand 171 states and 198 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:47,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:47,522 INFO L93 Difference]: Finished difference Result 181 states and 212 transitions. [2023-11-06 23:11:47,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:11:47,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 54 [2023-11-06 23:11:47,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:47,534 INFO L225 Difference]: With dead ends: 181 [2023-11-06 23:11:47,534 INFO L226 Difference]: Without dead ends: 179 [2023-11-06 23:11:47,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:11:47,536 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 5 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:47,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 302 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:47,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2023-11-06 23:11:47,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 175. [2023-11-06 23:11:47,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 140 states have (on average 1.3428571428571427) internal successors, (188), 163 states have internal predecessors, (188), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:11:47,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 204 transitions. [2023-11-06 23:11:47,553 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 204 transitions. Word has length 54 [2023-11-06 23:11:47,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:47,555 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 204 transitions. [2023-11-06 23:11:47,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:47,555 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 204 transitions. [2023-11-06 23:11:47,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-06 23:11:47,556 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:47,556 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:47,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-06 23:11:47,557 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:11:47,557 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:47,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1256351039, now seen corresponding path program 1 times [2023-11-06 23:11:47,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:47,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958407399] [2023-11-06 23:11:47,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:47,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:47,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:11:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:47,766 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 23:11:47,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:47,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958407399] [2023-11-06 23:11:47,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958407399] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:11:47,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424128454] [2023-11-06 23:11:47,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:47,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:47,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:47,768 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:11:47,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 23:11:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:48,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:11:48,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:48,173 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-06 23:11:48,173 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:11:48,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424128454] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:48,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:11:48,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [3] total 7 [2023-11-06 23:11:48,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535230101] [2023-11-06 23:11:48,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:48,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:11:48,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:48,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:11:48,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:11:48,176 INFO L87 Difference]: Start difference. First operand 175 states and 204 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:48,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:48,289 INFO L93 Difference]: Finished difference Result 268 states and 316 transitions. [2023-11-06 23:11:48,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:11:48,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2023-11-06 23:11:48,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:48,293 INFO L225 Difference]: With dead ends: 268 [2023-11-06 23:11:48,293 INFO L226 Difference]: Without dead ends: 255 [2023-11-06 23:11:48,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:11:48,294 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 94 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 571 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:48,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 571 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:11:48,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2023-11-06 23:11:48,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 183. [2023-11-06 23:11:48,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 147 states have (on average 1.3333333333333333) internal successors, (196), 170 states have internal predecessors, (196), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-06 23:11:48,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 214 transitions. [2023-11-06 23:11:48,309 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 214 transitions. Word has length 55 [2023-11-06 23:11:48,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:48,310 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 214 transitions. [2023-11-06 23:11:48,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:48,310 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 214 transitions. [2023-11-06 23:11:48,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-06 23:11:48,311 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:48,311 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:48,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 23:11:48,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-06 23:11:48,519 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:11:48,519 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:48,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1142519397, now seen corresponding path program 1 times [2023-11-06 23:11:48,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:48,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468196701] [2023-11-06 23:11:48,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:48,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:48,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:11:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:48,745 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 23:11:48,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:48,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468196701] [2023-11-06 23:11:48,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468196701] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:11:48,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [885022954] [2023-11-06 23:11:48,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:48,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:48,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:48,747 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:11:48,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 23:11:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:49,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:11:49,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:49,132 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 23:11:49,132 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:11:49,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [885022954] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:49,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:11:49,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-11-06 23:11:49,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938150547] [2023-11-06 23:11:49,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:49,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:11:49,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:49,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:11:49,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:11:49,135 INFO L87 Difference]: Start difference. First operand 183 states and 214 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:49,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:49,169 INFO L93 Difference]: Finished difference Result 189 states and 225 transitions. [2023-11-06 23:11:49,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:11:49,170 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 58 [2023-11-06 23:11:49,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:49,172 INFO L225 Difference]: With dead ends: 189 [2023-11-06 23:11:49,172 INFO L226 Difference]: Without dead ends: 188 [2023-11-06 23:11:49,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:11:49,173 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 13 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:49,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 306 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:49,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-11-06 23:11:49,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 182. [2023-11-06 23:11:49,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 147 states have (on average 1.3265306122448979) internal successors, (195), 169 states have internal predecessors, (195), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-06 23:11:49,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 213 transitions. [2023-11-06 23:11:49,214 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 213 transitions. Word has length 58 [2023-11-06 23:11:49,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:49,215 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 213 transitions. [2023-11-06 23:11:49,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:49,215 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 213 transitions. [2023-11-06 23:11:49,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-06 23:11:49,216 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:49,216 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:49,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 23:11:49,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-06 23:11:49,424 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:11:49,424 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:49,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1058362887, now seen corresponding path program 1 times [2023-11-06 23:11:49,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:49,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188110532] [2023-11-06 23:11:49,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:49,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:49,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:11:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:49,647 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 23:11:49,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:49,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188110532] [2023-11-06 23:11:49,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188110532] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:11:49,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195323657] [2023-11-06 23:11:49,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:49,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:49,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:49,649 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:11:49,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 23:11:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:50,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:11:50,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:50,056 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 23:11:50,056 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:11:50,088 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 23:11:50,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195323657] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:11:50,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:11:50,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-11-06 23:11:50,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096646397] [2023-11-06 23:11:50,089 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:11:50,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:11:50,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:50,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:11:50,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:11:50,091 INFO L87 Difference]: Start difference. First operand 182 states and 213 transitions. Second operand has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:50,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:50,162 INFO L93 Difference]: Finished difference Result 211 states and 262 transitions. [2023-11-06 23:11:50,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:11:50,163 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 59 [2023-11-06 23:11:50,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:50,167 INFO L225 Difference]: With dead ends: 211 [2023-11-06 23:11:50,167 INFO L226 Difference]: Without dead ends: 210 [2023-11-06 23:11:50,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:11:50,170 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 18 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:50,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 612 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:50,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2023-11-06 23:11:50,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 194. [2023-11-06 23:11:50,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 159 states have (on average 1.3396226415094339) internal successors, (213), 181 states have internal predecessors, (213), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-06 23:11:50,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 231 transitions. [2023-11-06 23:11:50,191 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 231 transitions. Word has length 59 [2023-11-06 23:11:50,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:50,191 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 231 transitions. [2023-11-06 23:11:50,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.166666666666667) internal successors, (43), 7 states have internal predecessors, (43), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:50,192 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 231 transitions. [2023-11-06 23:11:50,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-06 23:11:50,193 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:50,193 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:50,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 23:11:50,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-06 23:11:50,402 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:11:50,402 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:50,402 INFO L85 PathProgramCache]: Analyzing trace with hash 252471786, now seen corresponding path program 1 times [2023-11-06 23:11:50,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:50,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099973409] [2023-11-06 23:11:50,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:50,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:50,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:11:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:50,655 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-06 23:11:50,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:50,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099973409] [2023-11-06 23:11:50,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099973409] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:11:50,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083527884] [2023-11-06 23:11:50,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:50,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:50,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:50,658 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:11:50,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 23:11:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:51,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:11:51,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:51,109 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-06 23:11:51,109 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:11:51,132 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-06 23:11:51,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083527884] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:11:51,133 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:11:51,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-06 23:11:51,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714059828] [2023-11-06 23:11:51,136 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:11:51,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:11:51,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:51,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:11:51,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:11:51,137 INFO L87 Difference]: Start difference. First operand 194 states and 231 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:51,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:51,193 INFO L93 Difference]: Finished difference Result 354 states and 428 transitions. [2023-11-06 23:11:51,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:11:51,193 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 58 [2023-11-06 23:11:51,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:51,195 INFO L225 Difference]: With dead ends: 354 [2023-11-06 23:11:51,195 INFO L226 Difference]: Without dead ends: 212 [2023-11-06 23:11:51,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:11:51,197 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 4 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 596 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:51,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 596 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:51,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2023-11-06 23:11:51,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2023-11-06 23:11:51,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 177 states have (on average 1.305084745762712) internal successors, (231), 199 states have internal predecessors, (231), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-06 23:11:51,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 249 transitions. [2023-11-06 23:11:51,213 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 249 transitions. Word has length 58 [2023-11-06 23:11:51,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:51,213 INFO L495 AbstractCegarLoop]: Abstraction has 212 states and 249 transitions. [2023-11-06 23:11:51,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:51,214 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 249 transitions. [2023-11-06 23:11:51,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-06 23:11:51,215 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:51,215 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:51,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 23:11:51,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-06 23:11:51,430 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:11:51,431 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:51,431 INFO L85 PathProgramCache]: Analyzing trace with hash -2027339923, now seen corresponding path program 1 times [2023-11-06 23:11:51,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:51,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217454702] [2023-11-06 23:11:51,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:51,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:51,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:11:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:51,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-06 23:11:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:51,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-06 23:11:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:51,942 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-11-06 23:11:51,942 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:51,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217454702] [2023-11-06 23:11:51,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217454702] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:51,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:51,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:11:51,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433233576] [2023-11-06 23:11:51,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:51,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:11:51,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:51,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:11:51,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:11:51,945 INFO L87 Difference]: Start difference. First operand 212 states and 249 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 23:11:52,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:52,168 INFO L93 Difference]: Finished difference Result 321 states and 384 transitions. [2023-11-06 23:11:52,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:11:52,169 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 67 [2023-11-06 23:11:52,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:52,171 INFO L225 Difference]: With dead ends: 321 [2023-11-06 23:11:52,171 INFO L226 Difference]: Without dead ends: 215 [2023-11-06 23:11:52,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:11:52,173 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 212 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:52,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 295 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:11:52,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2023-11-06 23:11:52,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 212. [2023-11-06 23:11:52,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 177 states have (on average 1.2994350282485876) internal successors, (230), 199 states have internal predecessors, (230), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-06 23:11:52,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 248 transitions. [2023-11-06 23:11:52,192 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 248 transitions. Word has length 67 [2023-11-06 23:11:52,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:52,193 INFO L495 AbstractCegarLoop]: Abstraction has 212 states and 248 transitions. [2023-11-06 23:11:52,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 23:11:52,193 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 248 transitions. [2023-11-06 23:11:52,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-06 23:11:52,199 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:52,199 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:52,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-06 23:11:52,199 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:11:52,200 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:52,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1326275345, now seen corresponding path program 1 times [2023-11-06 23:11:52,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:52,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106353741] [2023-11-06 23:11:52,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:52,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:52,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:11:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:52,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-06 23:11:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:52,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-06 23:11:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:52,522 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-11-06 23:11:52,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:52,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106353741] [2023-11-06 23:11:52,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106353741] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:52,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:52,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:11:52,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738488485] [2023-11-06 23:11:52,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:52,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:11:52,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:52,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:11:52,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:11:52,525 INFO L87 Difference]: Start difference. First operand 212 states and 248 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 23:11:52,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:52,688 INFO L93 Difference]: Finished difference Result 278 states and 325 transitions. [2023-11-06 23:11:52,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:11:52,689 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 67 [2023-11-06 23:11:52,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:52,690 INFO L225 Difference]: With dead ends: 278 [2023-11-06 23:11:52,691 INFO L226 Difference]: Without dead ends: 203 [2023-11-06 23:11:52,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:11:52,692 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 65 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:52,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 277 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:11:52,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2023-11-06 23:11:52,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 200. [2023-11-06 23:11:52,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 170 states have (on average 1.2705882352941176) internal successors, (216), 188 states have internal predecessors, (216), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:11:52,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 232 transitions. [2023-11-06 23:11:52,709 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 232 transitions. Word has length 67 [2023-11-06 23:11:52,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:52,710 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 232 transitions. [2023-11-06 23:11:52,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 23:11:52,710 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 232 transitions. [2023-11-06 23:11:52,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-06 23:11:52,711 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:52,711 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:52,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-06 23:11:52,712 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:11:52,712 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:52,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1326273423, now seen corresponding path program 1 times [2023-11-06 23:11:52,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:52,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483875633] [2023-11-06 23:11:52,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:52,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:52,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:11:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:52,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-06 23:11:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:52,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-06 23:11:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:52,986 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-06 23:11:52,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:52,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483875633] [2023-11-06 23:11:52,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483875633] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:52,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:52,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 23:11:52,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180737524] [2023-11-06 23:11:52,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:52,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:11:52,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:52,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:11:52,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:11:52,989 INFO L87 Difference]: Start difference. First operand 200 states and 232 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 23:11:53,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:53,186 INFO L93 Difference]: Finished difference Result 269 states and 311 transitions. [2023-11-06 23:11:53,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:11:53,187 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 67 [2023-11-06 23:11:53,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:53,188 INFO L225 Difference]: With dead ends: 269 [2023-11-06 23:11:53,188 INFO L226 Difference]: Without dead ends: 203 [2023-11-06 23:11:53,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:11:53,189 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 7 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:53,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 581 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:11:53,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2023-11-06 23:11:53,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 202. [2023-11-06 23:11:53,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 171 states have (on average 1.2690058479532165) internal successors, (217), 190 states have internal predecessors, (217), 8 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2023-11-06 23:11:53,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 235 transitions. [2023-11-06 23:11:53,205 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 235 transitions. Word has length 67 [2023-11-06 23:11:53,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:53,206 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 235 transitions. [2023-11-06 23:11:53,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 23:11:53,206 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 235 transitions. [2023-11-06 23:11:53,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-06 23:11:53,207 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:53,207 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:53,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-11-06 23:11:53,208 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:11:53,208 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:53,208 INFO L85 PathProgramCache]: Analyzing trace with hash -445308960, now seen corresponding path program 1 times [2023-11-06 23:11:53,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:53,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614680331] [2023-11-06 23:11:53,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:53,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:53,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:53,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:11:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:53,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-06 23:11:53,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:53,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-06 23:11:53,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:53,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2023-11-06 23:11:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:53,500 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-06 23:11:53,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:53,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614680331] [2023-11-06 23:11:53,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614680331] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:53,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:53,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:11:53,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281887094] [2023-11-06 23:11:53,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:53,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:11:53,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:53,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:11:53,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:11:53,503 INFO L87 Difference]: Start difference. First operand 202 states and 235 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 23:11:53,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:53,659 INFO L93 Difference]: Finished difference Result 322 states and 381 transitions. [2023-11-06 23:11:53,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:11:53,660 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 74 [2023-11-06 23:11:53,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:53,662 INFO L225 Difference]: With dead ends: 322 [2023-11-06 23:11:53,662 INFO L226 Difference]: Without dead ends: 207 [2023-11-06 23:11:53,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:11:53,663 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 14 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:53,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 331 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:11:53,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2023-11-06 23:11:53,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 202. [2023-11-06 23:11:53,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 171 states have (on average 1.263157894736842) internal successors, (216), 190 states have internal predecessors, (216), 8 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2023-11-06 23:11:53,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 234 transitions. [2023-11-06 23:11:53,679 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 234 transitions. Word has length 74 [2023-11-06 23:11:53,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:53,680 INFO L495 AbstractCegarLoop]: Abstraction has 202 states and 234 transitions. [2023-11-06 23:11:53,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 23:11:53,680 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 234 transitions. [2023-11-06 23:11:53,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-06 23:11:53,681 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:53,681 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:53,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-11-06 23:11:53,682 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:11:53,682 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:53,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1291929516, now seen corresponding path program 1 times [2023-11-06 23:11:53,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:53,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375940007] [2023-11-06 23:11:53,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:53,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:54,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:11:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:54,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-06 23:11:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:54,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-06 23:11:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:54,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 23:11:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:54,316 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-06 23:11:54,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:54,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375940007] [2023-11-06 23:11:54,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375940007] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:54,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:54,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 23:11:54,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109940579] [2023-11-06 23:11:54,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:54,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:11:54,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:54,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:11:54,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:11:54,319 INFO L87 Difference]: Start difference. First operand 202 states and 234 transitions. Second operand has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 23:11:54,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:54,595 INFO L93 Difference]: Finished difference Result 229 states and 268 transitions. [2023-11-06 23:11:54,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 23:11:54,595 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 75 [2023-11-06 23:11:54,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:54,597 INFO L225 Difference]: With dead ends: 229 [2023-11-06 23:11:54,597 INFO L226 Difference]: Without dead ends: 225 [2023-11-06 23:11:54,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-06 23:11:54,598 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 43 mSDsluCounter, 518 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:54,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 636 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:11:54,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2023-11-06 23:11:54,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 221. [2023-11-06 23:11:54,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 188 states have (on average 1.2659574468085106) internal successors, (238), 207 states have internal predecessors, (238), 9 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (14), 10 states have call predecessors, (14), 9 states have call successors, (14) [2023-11-06 23:11:54,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 261 transitions. [2023-11-06 23:11:54,618 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 261 transitions. Word has length 75 [2023-11-06 23:11:54,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:54,618 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 261 transitions. [2023-11-06 23:11:54,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 6 states have internal predecessors, (36), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 23:11:54,619 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 261 transitions. [2023-11-06 23:11:54,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-06 23:11:54,620 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:54,620 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:54,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-11-06 23:11:54,620 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:11:54,621 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:54,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1395109521, now seen corresponding path program 1 times [2023-11-06 23:11:54,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:54,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624218777] [2023-11-06 23:11:54,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:54,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:55,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:11:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:55,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-06 23:11:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:55,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-06 23:11:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:55,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 23:11:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:55,286 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-06 23:11:55,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:55,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624218777] [2023-11-06 23:11:55,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624218777] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:55,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:11:55,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 23:11:55,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119540203] [2023-11-06 23:11:55,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:55,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:11:55,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:55,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:11:55,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:11:55,289 INFO L87 Difference]: Start difference. First operand 221 states and 261 transitions. Second operand has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 23:11:55,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:55,580 INFO L93 Difference]: Finished difference Result 225 states and 264 transitions. [2023-11-06 23:11:55,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 23:11:55,581 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 76 [2023-11-06 23:11:55,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:55,583 INFO L225 Difference]: With dead ends: 225 [2023-11-06 23:11:55,583 INFO L226 Difference]: Without dead ends: 223 [2023-11-06 23:11:55,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-06 23:11:55,584 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 24 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:55,585 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 743 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:11:55,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2023-11-06 23:11:55,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 222. [2023-11-06 23:11:55,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 189 states have (on average 1.2592592592592593) internal successors, (238), 208 states have internal predecessors, (238), 9 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (14), 10 states have call predecessors, (14), 9 states have call successors, (14) [2023-11-06 23:11:55,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 261 transitions. [2023-11-06 23:11:55,608 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 261 transitions. Word has length 76 [2023-11-06 23:11:55,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:55,609 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 261 transitions. [2023-11-06 23:11:55,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 23:11:55,609 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 261 transitions. [2023-11-06 23:11:55,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-06 23:11:55,610 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:55,611 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:55,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-06 23:11:55,611 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:11:55,611 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:55,612 INFO L85 PathProgramCache]: Analyzing trace with hash -287412946, now seen corresponding path program 2 times [2023-11-06 23:11:55,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:55,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693581157] [2023-11-06 23:11:55,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:55,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:55,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:11:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:55,874 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2023-11-06 23:11:55,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:55,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693581157] [2023-11-06 23:11:55,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693581157] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:11:55,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093647457] [2023-11-06 23:11:55,875 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 23:11:55,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:55,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:55,876 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:11:55,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 23:11:56,302 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 23:11:56,302 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 23:11:56,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:11:56,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:56,340 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2023-11-06 23:11:56,340 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:11:56,379 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2023-11-06 23:11:56,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1093647457] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:11:56,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:11:56,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2023-11-06 23:11:56,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492506735] [2023-11-06 23:11:56,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:11:56,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:11:56,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:56,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:11:56,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:11:56,381 INFO L87 Difference]: Start difference. First operand 222 states and 261 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:56,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:56,418 INFO L93 Difference]: Finished difference Result 226 states and 268 transitions. [2023-11-06 23:11:56,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:11:56,418 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 71 [2023-11-06 23:11:56,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:56,421 INFO L225 Difference]: With dead ends: 226 [2023-11-06 23:11:56,421 INFO L226 Difference]: Without dead ends: 225 [2023-11-06 23:11:56,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 142 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:11:56,423 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 9 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:56,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 387 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:56,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2023-11-06 23:11:56,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 207. [2023-11-06 23:11:56,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 175 states have (on average 1.24) internal successors, (217), 193 states have internal predecessors, (217), 9 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (14), 10 states have call predecessors, (14), 9 states have call successors, (14) [2023-11-06 23:11:56,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 240 transitions. [2023-11-06 23:11:56,443 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 240 transitions. Word has length 71 [2023-11-06 23:11:56,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:56,443 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 240 transitions. [2023-11-06 23:11:56,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:56,443 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 240 transitions. [2023-11-06 23:11:56,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-06 23:11:56,444 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:56,445 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:56,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 23:11:56,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-11-06 23:11:56,652 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:11:56,652 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:56,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1013131143, now seen corresponding path program 1 times [2023-11-06 23:11:56,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:56,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759255681] [2023-11-06 23:11:56,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:56,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:57,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:11:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:57,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-06 23:11:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:57,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-06 23:11:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:57,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 23:11:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:57,257 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-06 23:11:57,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:57,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759255681] [2023-11-06 23:11:57,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759255681] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:11:57,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [727191553] [2023-11-06 23:11:57,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:57,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:57,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:57,259 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:11:57,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 23:11:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:57,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:11:57,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:57,812 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-11-06 23:11:57,812 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:11:57,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [727191553] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:11:57,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:11:57,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 12 [2023-11-06 23:11:57,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536614] [2023-11-06 23:11:57,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:11:57,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:11:57,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:57,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:11:57,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2023-11-06 23:11:57,815 INFO L87 Difference]: Start difference. First operand 207 states and 240 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 23:11:57,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:57,883 INFO L93 Difference]: Finished difference Result 328 states and 383 transitions. [2023-11-06 23:11:57,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:11:57,884 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 78 [2023-11-06 23:11:57,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:57,886 INFO L225 Difference]: With dead ends: 328 [2023-11-06 23:11:57,886 INFO L226 Difference]: Without dead ends: 207 [2023-11-06 23:11:57,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:11:57,887 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 2 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:57,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 516 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:11:57,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2023-11-06 23:11:57,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2023-11-06 23:11:57,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 175 states have (on average 1.2342857142857142) internal successors, (216), 193 states have internal predecessors, (216), 9 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (14), 10 states have call predecessors, (14), 9 states have call successors, (14) [2023-11-06 23:11:57,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 239 transitions. [2023-11-06 23:11:57,905 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 239 transitions. Word has length 78 [2023-11-06 23:11:57,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:57,905 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 239 transitions. [2023-11-06 23:11:57,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 23:11:57,906 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 239 transitions. [2023-11-06 23:11:57,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-06 23:11:57,907 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:57,907 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:57,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 23:11:58,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-11-06 23:11:58,115 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:11:58,115 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:58,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1548804285, now seen corresponding path program 1 times [2023-11-06 23:11:58,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:58,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769247466] [2023-11-06 23:11:58,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:58,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:58,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:11:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:58,370 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2023-11-06 23:11:58,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:11:58,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769247466] [2023-11-06 23:11:58,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769247466] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:11:58,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551862730] [2023-11-06 23:11:58,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:58,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:58,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:11:58,372 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:11:58,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 23:11:58,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:58,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:11:58,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:11:58,914 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-06 23:11:58,915 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:11:59,011 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-06 23:11:59,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551862730] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:11:59,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:11:59,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2023-11-06 23:11:59,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070800208] [2023-11-06 23:11:59,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:11:59,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 23:11:59,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:11:59,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 23:11:59,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-06 23:11:59,013 INFO L87 Difference]: Start difference. First operand 207 states and 239 transitions. Second operand has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:59,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:11:59,138 INFO L93 Difference]: Finished difference Result 388 states and 457 transitions. [2023-11-06 23:11:59,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 23:11:59,138 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 72 [2023-11-06 23:11:59,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:11:59,140 INFO L225 Difference]: With dead ends: 388 [2023-11-06 23:11:59,140 INFO L226 Difference]: Without dead ends: 242 [2023-11-06 23:11:59,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-06 23:11:59,142 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 6 mSDsluCounter, 500 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:11:59,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 628 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:11:59,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2023-11-06 23:11:59,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2023-11-06 23:11:59,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 211 states have (on average 1.1895734597156398) internal successors, (251), 228 states have internal predecessors, (251), 9 states have call successors, (9), 3 states have call predecessors, (9), 5 states have return successors, (14), 10 states have call predecessors, (14), 9 states have call successors, (14) [2023-11-06 23:11:59,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 274 transitions. [2023-11-06 23:11:59,164 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 274 transitions. Word has length 72 [2023-11-06 23:11:59,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:11:59,165 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 274 transitions. [2023-11-06 23:11:59,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:11:59,165 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 274 transitions. [2023-11-06 23:11:59,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-06 23:11:59,166 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:11:59,167 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:11:59,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-06 23:11:59,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:11:59,379 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:11:59,379 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:11:59,379 INFO L85 PathProgramCache]: Analyzing trace with hash -741067547, now seen corresponding path program 1 times [2023-11-06 23:11:59,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:11:59,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740805397] [2023-11-06 23:11:59,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:11:59,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:11:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:59,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:11:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:59,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2023-11-06 23:11:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:11:59,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-06 23:11:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:00,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 23:12:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:00,034 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-06 23:12:00,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:00,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740805397] [2023-11-06 23:12:00,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740805397] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:12:00,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913139746] [2023-11-06 23:12:00,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:00,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:12:00,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:00,037 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:12:00,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-06 23:12:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:00,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 23:12:00,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:00,679 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-06 23:12:00,680 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:12:00,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913139746] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:00,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:12:00,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 13 [2023-11-06 23:12:00,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586734302] [2023-11-06 23:12:00,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:00,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:12:00,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:00,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:12:00,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2023-11-06 23:12:00,682 INFO L87 Difference]: Start difference. First operand 242 states and 274 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 23:12:00,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:00,814 INFO L93 Difference]: Finished difference Result 345 states and 393 transitions. [2023-11-06 23:12:00,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:12:00,814 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 79 [2023-11-06 23:12:00,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:12:00,816 INFO L225 Difference]: With dead ends: 345 [2023-11-06 23:12:00,816 INFO L226 Difference]: Without dead ends: 234 [2023-11-06 23:12:00,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2023-11-06 23:12:00,818 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 101 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 491 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:12:00,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 491 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:12:00,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2023-11-06 23:12:00,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2023-11-06 23:12:00,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 204 states have (on average 1.1862745098039216) internal successors, (242), 221 states have internal predecessors, (242), 8 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (11), 9 states have call predecessors, (11), 8 states have call successors, (11) [2023-11-06 23:12:00,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 261 transitions. [2023-11-06 23:12:00,843 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 261 transitions. Word has length 79 [2023-11-06 23:12:00,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:12:00,843 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 261 transitions. [2023-11-06 23:12:00,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 23:12:00,844 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 261 transitions. [2023-11-06 23:12:00,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-06 23:12:00,845 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:00,845 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:00,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:01,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-11-06 23:12:01,053 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:12:01,053 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:01,054 INFO L85 PathProgramCache]: Analyzing trace with hash 174466565, now seen corresponding path program 1 times [2023-11-06 23:12:01,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:01,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246773204] [2023-11-06 23:12:01,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:01,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:01,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:12:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:01,337 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-06 23:12:01,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:01,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246773204] [2023-11-06 23:12:01,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246773204] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:12:01,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688860939] [2023-11-06 23:12:01,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:01,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:12:01,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:01,341 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:12:01,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-06 23:12:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:01,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 736 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:12:01,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:01,980 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-06 23:12:01,981 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:12:02,006 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-06 23:12:02,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688860939] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:12:02,007 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:12:02,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-11-06 23:12:02,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147449858] [2023-11-06 23:12:02,008 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:12:02,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:12:02,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:02,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:12:02,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:12:02,009 INFO L87 Difference]: Start difference. First operand 234 states and 261 transitions. Second operand has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:12:02,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:02,066 INFO L93 Difference]: Finished difference Result 244 states and 273 transitions. [2023-11-06 23:12:02,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:12:02,067 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 91 [2023-11-06 23:12:02,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:12:02,069 INFO L225 Difference]: With dead ends: 244 [2023-11-06 23:12:02,069 INFO L226 Difference]: Without dead ends: 243 [2023-11-06 23:12:02,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:12:02,070 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:12:02,070 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 519 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:12:02,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2023-11-06 23:12:02,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2023-11-06 23:12:02,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 213 states have (on average 1.1784037558685445) internal successors, (251), 230 states have internal predecessors, (251), 8 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (11), 9 states have call predecessors, (11), 8 states have call successors, (11) [2023-11-06 23:12:02,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 270 transitions. [2023-11-06 23:12:02,096 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 270 transitions. Word has length 91 [2023-11-06 23:12:02,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:12:02,096 INFO L495 AbstractCegarLoop]: Abstraction has 243 states and 270 transitions. [2023-11-06 23:12:02,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:12:02,097 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 270 transitions. [2023-11-06 23:12:02,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-06 23:12:02,098 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:02,098 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:02,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:02,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-11-06 23:12:02,306 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:12:02,307 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:02,307 INFO L85 PathProgramCache]: Analyzing trace with hash -749433286, now seen corresponding path program 2 times [2023-11-06 23:12:02,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:02,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782733353] [2023-11-06 23:12:02,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:02,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:02,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:12:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:02,701 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2023-11-06 23:12:02,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:02,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782733353] [2023-11-06 23:12:02,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782733353] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:12:02,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99243556] [2023-11-06 23:12:02,702 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 23:12:02,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:12:02,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:02,704 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:12:02,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-06 23:12:03,221 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 23:12:03,222 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 23:12:03,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:12:03,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:03,317 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2023-11-06 23:12:03,318 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:12:03,422 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2023-11-06 23:12:03,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99243556] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:12:03,423 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:12:03,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-11-06 23:12:03,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530840040] [2023-11-06 23:12:03,423 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:12:03,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:12:03,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:03,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:12:03,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:12:03,425 INFO L87 Difference]: Start difference. First operand 243 states and 270 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:12:03,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:03,532 INFO L93 Difference]: Finished difference Result 243 states and 270 transitions. [2023-11-06 23:12:03,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:12:03,533 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 100 [2023-11-06 23:12:03,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:12:03,534 INFO L225 Difference]: With dead ends: 243 [2023-11-06 23:12:03,535 INFO L226 Difference]: Without dead ends: 222 [2023-11-06 23:12:03,535 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:12:03,535 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 147 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:12:03,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 399 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:12:03,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2023-11-06 23:12:03,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 222. [2023-11-06 23:12:03,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 193 states have (on average 1.1813471502590673) internal successors, (228), 209 states have internal predecessors, (228), 8 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (11), 9 states have call predecessors, (11), 8 states have call successors, (11) [2023-11-06 23:12:03,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 247 transitions. [2023-11-06 23:12:03,553 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 247 transitions. Word has length 100 [2023-11-06 23:12:03,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:12:03,554 INFO L495 AbstractCegarLoop]: Abstraction has 222 states and 247 transitions. [2023-11-06 23:12:03,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:12:03,554 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 247 transitions. [2023-11-06 23:12:03,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-06 23:12:03,555 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:03,556 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:03,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:03,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-11-06 23:12:03,764 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:12:03,764 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:03,764 INFO L85 PathProgramCache]: Analyzing trace with hash 2125989185, now seen corresponding path program 1 times [2023-11-06 23:12:03,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:03,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217081553] [2023-11-06 23:12:03,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:03,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:04,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:12:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:04,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 23:12:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:04,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-06 23:12:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:04,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 23:12:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:04,580 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-11-06 23:12:04,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:04,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217081553] [2023-11-06 23:12:04,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217081553] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:12:04,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122281622] [2023-11-06 23:12:04,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:04,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:12:04,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:04,583 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:12:04,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-06 23:12:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:05,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 1018 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 23:12:05,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:05,396 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-11-06 23:12:05,396 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:12:05,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122281622] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:05,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:12:05,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 10 [2023-11-06 23:12:05,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154559052] [2023-11-06 23:12:05,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:05,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:12:05,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:05,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:12:05,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:12:05,399 INFO L87 Difference]: Start difference. First operand 222 states and 247 transitions. Second operand has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 23:12:05,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:05,569 INFO L93 Difference]: Finished difference Result 241 states and 269 transitions. [2023-11-06 23:12:05,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 23:12:05,570 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 114 [2023-11-06 23:12:05,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:12:05,572 INFO L225 Difference]: With dead ends: 241 [2023-11-06 23:12:05,572 INFO L226 Difference]: Without dead ends: 238 [2023-11-06 23:12:05,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-11-06 23:12:05,573 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 42 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 805 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:12:05,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 805 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:12:05,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2023-11-06 23:12:05,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 219. [2023-11-06 23:12:05,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 193 states have (on average 1.16580310880829) internal successors, (225), 206 states have internal predecessors, (225), 8 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (11), 9 states have call predecessors, (11), 8 states have call successors, (11) [2023-11-06 23:12:05,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 244 transitions. [2023-11-06 23:12:05,592 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 244 transitions. Word has length 114 [2023-11-06 23:12:05,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:12:05,593 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 244 transitions. [2023-11-06 23:12:05,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 23:12:05,593 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 244 transitions. [2023-11-06 23:12:05,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-06 23:12:05,594 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:05,595 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:05,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:05,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2023-11-06 23:12:05,804 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:12:05,804 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:05,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1481155484, now seen corresponding path program 1 times [2023-11-06 23:12:05,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:05,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601211247] [2023-11-06 23:12:05,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:05,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:13,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:12:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:14,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-11-06 23:12:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:14,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-06 23:12:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:14,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 23:12:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:14,105 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-11-06 23:12:14,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:14,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601211247] [2023-11-06 23:12:14,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601211247] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:12:14,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716575186] [2023-11-06 23:12:14,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:14,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:12:14,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:14,107 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:12:14,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-06 23:12:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:14,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 1019 conjuncts, 64 conjunts are in the unsatisfiable core [2023-11-06 23:12:14,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:14,892 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-06 23:12:14,931 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-11-06 23:12:14,960 INFO L322 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-06 23:12:14,960 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2023-11-06 23:12:14,970 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-11-06 23:12:15,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:12:15,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:12:15,067 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 69 [2023-11-06 23:12:15,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:12:15,084 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 45 [2023-11-06 23:12:15,105 INFO L322 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-06 23:12:15,105 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 48 [2023-11-06 23:12:15,118 INFO L322 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2023-11-06 23:12:15,118 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2023-11-06 23:12:15,131 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 20 [2023-11-06 23:12:15,223 INFO L322 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-06 23:12:15,227 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 47 [2023-11-06 23:12:15,238 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 20 [2023-11-06 23:12:15,308 INFO L322 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-06 23:12:15,309 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 47 [2023-11-06 23:12:15,322 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 20 [2023-11-06 23:12:15,392 INFO L322 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-06 23:12:15,392 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 47 [2023-11-06 23:12:15,403 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 20 [2023-11-06 23:12:15,475 INFO L322 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-06 23:12:15,475 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 47 [2023-11-06 23:12:15,486 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 20 [2023-11-06 23:12:15,555 INFO L322 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-06 23:12:15,556 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 47 [2023-11-06 23:12:15,567 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 20 [2023-11-06 23:12:15,635 INFO L322 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-06 23:12:15,635 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 47 [2023-11-06 23:12:15,647 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 20 [2023-11-06 23:12:15,721 INFO L322 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-06 23:12:15,722 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 47 [2023-11-06 23:12:15,728 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 20 [2023-11-06 23:12:15,805 INFO L322 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-06 23:12:15,806 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 47 [2023-11-06 23:12:15,817 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 20 [2023-11-06 23:12:15,894 INFO L322 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-06 23:12:15,895 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 47 [2023-11-06 23:12:15,905 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 20 [2023-11-06 23:12:15,972 INFO L322 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-06 23:12:15,973 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 47 [2023-11-06 23:12:15,985 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 20 [2023-11-06 23:12:16,288 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2023-11-06 23:12:16,288 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:12:19,950 INFO L322 Elim1Store]: treesize reduction 68, result has 58.8 percent of original size [2023-11-06 23:12:19,951 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 767 treesize of output 402 [2023-11-06 23:12:20,091 INFO L322 Elim1Store]: treesize reduction 34, result has 59.0 percent of original size [2023-11-06 23:12:20,091 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 323 treesize of output 304 [2023-11-06 23:12:20,258 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:12:20,260 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 45507 treesize of output 43913 [2023-11-06 23:12:20,830 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 8792 treesize of output 8416 [2023-11-06 23:12:21,236 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3693 treesize of output 3533 [2023-11-06 23:12:21,344 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3533 treesize of output 3269 [2023-11-06 23:12:21,446 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3269 treesize of output 3181 [2023-11-06 23:12:21,562 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3181 treesize of output 3033 [2023-11-06 23:12:21,682 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3033 treesize of output 2945 [2023-11-06 23:12:21,835 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2945 treesize of output 2869 [2023-11-06 23:12:21,954 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 2869 treesize of output 2823 [2023-11-06 23:12:22,057 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2823 treesize of output 2783 [2023-11-06 23:12:32,282 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2023-11-06 23:12:32,443 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:12:32,443 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 213 treesize of output 197 [2023-11-06 23:12:33,086 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 21 proven. 29 refuted. 45 times theorem prover too weak. 206 trivial. 0 not checked. [2023-11-06 23:12:33,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716575186] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:12:33,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:12:33,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 9, 13] total 33 [2023-11-06 23:12:33,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386463826] [2023-11-06 23:12:33,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:12:33,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-11-06 23:12:33,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:33,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-11-06 23:12:33,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=928, Unknown=13, NotChecked=0, Total=1056 [2023-11-06 23:12:33,090 INFO L87 Difference]: Start difference. First operand 219 states and 244 transitions. Second operand has 33 states, 33 states have (on average 3.909090909090909) internal successors, (129), 32 states have internal predecessors, (129), 4 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2023-11-06 23:12:35,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:35,916 INFO L93 Difference]: Finished difference Result 332 states and 378 transitions. [2023-11-06 23:12:35,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 23:12:35,917 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 3.909090909090909) internal successors, (129), 32 states have internal predecessors, (129), 4 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 115 [2023-11-06 23:12:35,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:12:35,919 INFO L225 Difference]: With dead ends: 332 [2023-11-06 23:12:35,919 INFO L226 Difference]: Without dead ends: 222 [2023-11-06 23:12:35,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 228 SyntacticMatches, 6 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=270, Invalid=1609, Unknown=13, NotChecked=0, Total=1892 [2023-11-06 23:12:35,921 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 207 mSDsluCounter, 1444 mSDsCounter, 0 mSdLazyCounter, 831 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 1544 SdHoareTripleChecker+Invalid, 861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-06 23:12:35,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 1544 Invalid, 861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 831 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-06 23:12:35,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2023-11-06 23:12:35,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 220. [2023-11-06 23:12:35,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 194 states have (on average 1.1649484536082475) internal successors, (226), 207 states have internal predecessors, (226), 8 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (11), 9 states have call predecessors, (11), 8 states have call successors, (11) [2023-11-06 23:12:35,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 245 transitions. [2023-11-06 23:12:35,944 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 245 transitions. Word has length 115 [2023-11-06 23:12:35,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:12:35,945 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 245 transitions. [2023-11-06 23:12:35,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.909090909090909) internal successors, (129), 32 states have internal predecessors, (129), 4 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2023-11-06 23:12:35,945 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 245 transitions. [2023-11-06 23:12:35,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-06 23:12:35,946 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:35,946 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:35,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:36,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:12:36,156 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:12:36,156 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:36,156 INFO L85 PathProgramCache]: Analyzing trace with hash -328883432, now seen corresponding path program 2 times [2023-11-06 23:12:36,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:36,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725485306] [2023-11-06 23:12:36,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:36,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:36,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:12:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:36,562 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 0 proven. 324 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-06 23:12:36,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:36,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725485306] [2023-11-06 23:12:36,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725485306] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:12:36,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1469113531] [2023-11-06 23:12:36,563 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 23:12:36,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:12:36,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:36,564 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:12:36,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-06 23:12:37,360 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 23:12:37,360 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 23:12:37,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:12:37,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:37,521 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-06 23:12:37,521 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:12:37,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1469113531] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:37,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:12:37,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-11-06 23:12:37,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438086959] [2023-11-06 23:12:37,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:37,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:12:37,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:37,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:12:37,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:12:37,523 INFO L87 Difference]: Start difference. First operand 220 states and 245 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:12:37,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:37,622 INFO L93 Difference]: Finished difference Result 220 states and 245 transitions. [2023-11-06 23:12:37,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:12:37,622 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 112 [2023-11-06 23:12:37,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:12:37,624 INFO L225 Difference]: With dead ends: 220 [2023-11-06 23:12:37,624 INFO L226 Difference]: Without dead ends: 219 [2023-11-06 23:12:37,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:12:37,625 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 3 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:12:37,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 336 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:12:37,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2023-11-06 23:12:37,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2023-11-06 23:12:37,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 194 states have (on average 1.1597938144329898) internal successors, (225), 206 states have internal predecessors, (225), 8 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (11), 9 states have call predecessors, (11), 8 states have call successors, (11) [2023-11-06 23:12:37,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 244 transitions. [2023-11-06 23:12:37,648 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 244 transitions. Word has length 112 [2023-11-06 23:12:37,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:12:37,650 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 244 transitions. [2023-11-06 23:12:37,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:12:37,651 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 244 transitions. [2023-11-06 23:12:37,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-06 23:12:37,652 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:37,652 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:37,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:37,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2023-11-06 23:12:37,866 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:12:37,866 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:37,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1605451661, now seen corresponding path program 1 times [2023-11-06 23:12:37,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:37,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377737958] [2023-11-06 23:12:37,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:37,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:38,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:12:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:38,247 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-06 23:12:38,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:38,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377737958] [2023-11-06 23:12:38,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377737958] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:12:38,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452782504] [2023-11-06 23:12:38,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:38,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:12:38,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:38,249 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:12:38,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-06 23:12:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:38,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 906 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:12:38,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:39,101 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-06 23:12:39,101 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:12:39,244 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-06 23:12:39,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452782504] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:12:39,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:12:39,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-11-06 23:12:39,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439782871] [2023-11-06 23:12:39,246 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:12:39,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:12:39,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:39,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:12:39,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:12:39,247 INFO L87 Difference]: Start difference. First operand 219 states and 244 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:12:39,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:39,340 INFO L93 Difference]: Finished difference Result 326 states and 358 transitions. [2023-11-06 23:12:39,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:12:39,340 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 113 [2023-11-06 23:12:39,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:12:39,342 INFO L225 Difference]: With dead ends: 326 [2023-11-06 23:12:39,342 INFO L226 Difference]: Without dead ends: 325 [2023-11-06 23:12:39,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:12:39,343 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 2 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:12:39,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 345 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:12:39,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2023-11-06 23:12:39,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 323. [2023-11-06 23:12:39,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 298 states have (on average 1.1208053691275168) internal successors, (334), 310 states have internal predecessors, (334), 8 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (11), 9 states have call predecessors, (11), 8 states have call successors, (11) [2023-11-06 23:12:39,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 353 transitions. [2023-11-06 23:12:39,379 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 353 transitions. Word has length 113 [2023-11-06 23:12:39,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:12:39,379 INFO L495 AbstractCegarLoop]: Abstraction has 323 states and 353 transitions. [2023-11-06 23:12:39,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:12:39,380 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 353 transitions. [2023-11-06 23:12:39,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-06 23:12:39,381 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:39,382 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:39,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-11-06 23:12:39,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2023-11-06 23:12:39,597 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:12:39,598 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:39,598 INFO L85 PathProgramCache]: Analyzing trace with hash -103516680, now seen corresponding path program 2 times [2023-11-06 23:12:39,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:39,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137466968] [2023-11-06 23:12:39,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:39,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:40,510 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:12:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:42,023 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:12:42,023 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 23:12:42,024 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 32 remaining) [2023-11-06 23:12:42,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 32 remaining) [2023-11-06 23:12:42,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 32 remaining) [2023-11-06 23:12:42,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 32 remaining) [2023-11-06 23:12:42,027 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 32 remaining) [2023-11-06 23:12:42,028 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 32 remaining) [2023-11-06 23:12:42,028 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 32 remaining) [2023-11-06 23:12:42,028 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 32 remaining) [2023-11-06 23:12:42,028 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 32 remaining) [2023-11-06 23:12:42,028 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 32 remaining) [2023-11-06 23:12:42,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 32 remaining) [2023-11-06 23:12:42,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 32 remaining) [2023-11-06 23:12:42,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 32 remaining) [2023-11-06 23:12:42,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 32 remaining) [2023-11-06 23:12:42,029 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 32 remaining) [2023-11-06 23:12:42,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 32 remaining) [2023-11-06 23:12:42,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 32 remaining) [2023-11-06 23:12:42,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 32 remaining) [2023-11-06 23:12:42,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 32 remaining) [2023-11-06 23:12:42,030 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 32 remaining) [2023-11-06 23:12:42,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 32 remaining) [2023-11-06 23:12:42,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 32 remaining) [2023-11-06 23:12:42,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 32 remaining) [2023-11-06 23:12:42,031 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 32 remaining) [2023-11-06 23:12:42,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 32 remaining) [2023-11-06 23:12:42,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 32 remaining) [2023-11-06 23:12:42,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 32 remaining) [2023-11-06 23:12:42,032 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 32 remaining) [2023-11-06 23:12:42,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 32 remaining) [2023-11-06 23:12:42,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 32 remaining) [2023-11-06 23:12:42,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 32 remaining) [2023-11-06 23:12:42,033 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 32 remaining) [2023-11-06 23:12:42,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2023-11-06 23:12:42,037 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:42,041 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:12:42,118 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2023-11-06 23:12:42,126 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2023-11-06 23:12:42,131 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2023-11-06 23:12:42,132 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2023-11-06 23:12:42,134 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #varArgs [2023-11-06 23:12:42,137 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: Expression #varArgs!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-06 23:12:42,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:12:42 BoogieIcfgContainer [2023-11-06 23:12:42,173 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:12:42,174 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:12:42,174 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:12:42,174 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:12:42,174 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:11:40" (3/4) ... [2023-11-06 23:12:42,177 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 23:12:42,178 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:12:42,178 INFO L158 Benchmark]: Toolchain (without parser) took 65288.05ms. Allocated memory was 169.9MB in the beginning and 1.1GB in the end (delta: 956.3MB). Free memory was 127.3MB in the beginning and 592.5MB in the end (delta: -465.2MB). Peak memory consumption was 492.6MB. Max. memory is 16.1GB. [2023-11-06 23:12:42,178 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory was 91.9MB in the beginning and 91.9MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:12:42,179 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1922.32ms. Allocated memory is still 169.9MB. Free memory was 127.3MB in the beginning and 118.4MB in the end (delta: 8.8MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. [2023-11-06 23:12:42,182 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.30ms. Allocated memory is still 169.9MB. Free memory was 118.4MB in the beginning and 112.8MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 23:12:42,183 INFO L158 Benchmark]: Boogie Preprocessor took 84.86ms. Allocated memory is still 169.9MB. Free memory was 112.8MB in the beginning and 108.0MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:12:42,183 INFO L158 Benchmark]: RCFGBuilder took 1310.25ms. Allocated memory is still 169.9MB. Free memory was 108.0MB in the beginning and 106.2MB in the end (delta: 1.8MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. [2023-11-06 23:12:42,183 INFO L158 Benchmark]: TraceAbstraction took 61828.38ms. Allocated memory was 169.9MB in the beginning and 1.1GB in the end (delta: 956.3MB). Free memory was 105.0MB in the beginning and 592.5MB in the end (delta: -487.4MB). Peak memory consumption was 670.1MB. Max. memory is 16.1GB. [2023-11-06 23:12:42,184 INFO L158 Benchmark]: Witness Printer took 4.17ms. Allocated memory is still 1.1GB. Free memory is still 592.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:12:42,187 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory was 91.9MB in the beginning and 91.9MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1922.32ms. Allocated memory is still 169.9MB. Free memory was 127.3MB in the beginning and 118.4MB in the end (delta: 8.8MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.30ms. Allocated memory is still 169.9MB. Free memory was 118.4MB in the beginning and 112.8MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.86ms. Allocated memory is still 169.9MB. Free memory was 112.8MB in the beginning and 108.0MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1310.25ms. Allocated memory is still 169.9MB. Free memory was 108.0MB in the beginning and 106.2MB in the end (delta: 1.8MB). Peak memory consumption was 43.3MB. Max. memory is 16.1GB. * TraceAbstraction took 61828.38ms. Allocated memory was 169.9MB in the beginning and 1.1GB in the end (delta: 956.3MB). Free memory was 105.0MB in the beginning and 592.5MB in the end (delta: -487.4MB). Peak memory consumption was 670.1MB. Max. memory is 16.1GB. * Witness Printer took 4.17ms. Allocated memory is still 1.1GB. Free memory is still 592.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #varArgs - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #varArgs!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 2285]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of strlen at line 2282. Possible FailurePath: [L2236] static const char *applet_name; [L2237] static signed int bb_errno_location; [L2238] static signed int * const bb_errno = &bb_errno_location; [L2239] static const char bb_msg_memory_exhausted[14l] = { (const char)111, (const char)117, (const char)116, (const char)32, (const char)111, (const char)102, (const char)32, (const char)109, (const char)101, (const char)109, (const char)111, (const char)114, (const char)121, (const char)0 }; [L2240] static struct __jmp_buf_tag die_jmp[1l]; [L2241] static signed int die_sleep; [L2242] static signed char logmode = (signed char)1; [L2243] static const char *msg_eol = "\n"; [L2244] static unsigned char xfunc_error_retval = (unsigned char)1; [L2419] static struct utmp dummy_utmp; VAL [applet_name={0:0}, bb_errno={7:0}, bb_errno_location={7:0}, bb_msg_memory_exhausted={8:0}, die_jmp={9:0}, die_sleep=0, dummy_utmp={10:0}, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L2501] char *a = malloc(11); [L2502] a[10] = 0 [L2503] int i=0; VAL [a={-1:0}, applet_name={0:0}, bb_errno={7:0}, bb_errno_location={7:0}, bb_msg_memory_exhausted={8:0}, die_jmp={9:0}, die_sleep=0, dummy_utmp={10:0}, i=0, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L2503] COND TRUE i<10 [L2504] a[i]=__VERIFIER_nondet_char() [L2503] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={7:0}, bb_errno_location={7:0}, bb_msg_memory_exhausted={8:0}, die_jmp={9:0}, die_sleep=0, dummy_utmp={10:0}, i=1, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L2503] COND TRUE i<10 [L2504] a[i]=__VERIFIER_nondet_char() [L2503] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={7:0}, bb_errno_location={7:0}, bb_msg_memory_exhausted={8:0}, die_jmp={9:0}, die_sleep=0, dummy_utmp={10:0}, i=2, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L2503] COND TRUE i<10 [L2504] a[i]=__VERIFIER_nondet_char() [L2503] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={7:0}, bb_errno_location={7:0}, bb_msg_memory_exhausted={8:0}, die_jmp={9:0}, die_sleep=0, dummy_utmp={10:0}, i=3, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L2503] COND TRUE i<10 [L2504] a[i]=__VERIFIER_nondet_char() [L2503] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={7:0}, bb_errno_location={7:0}, bb_msg_memory_exhausted={8:0}, die_jmp={9:0}, die_sleep=0, dummy_utmp={10:0}, i=4, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L2503] COND TRUE i<10 [L2504] a[i]=__VERIFIER_nondet_char() [L2503] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={7:0}, bb_errno_location={7:0}, bb_msg_memory_exhausted={8:0}, die_jmp={9:0}, die_sleep=0, dummy_utmp={10:0}, i=5, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L2503] COND TRUE i<10 [L2504] a[i]=__VERIFIER_nondet_char() [L2503] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={7:0}, bb_errno_location={7:0}, bb_msg_memory_exhausted={8:0}, die_jmp={9:0}, die_sleep=0, dummy_utmp={10:0}, i=6, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L2503] COND TRUE i<10 [L2504] a[i]=__VERIFIER_nondet_char() [L2503] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={7:0}, bb_errno_location={7:0}, bb_msg_memory_exhausted={8:0}, die_jmp={9:0}, die_sleep=0, dummy_utmp={10:0}, i=7, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L2503] COND TRUE i<10 [L2504] a[i]=__VERIFIER_nondet_char() [L2503] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={7:0}, bb_errno_location={7:0}, bb_msg_memory_exhausted={8:0}, die_jmp={9:0}, die_sleep=0, dummy_utmp={10:0}, i=8, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L2503] COND TRUE i<10 [L2504] a[i]=__VERIFIER_nondet_char() [L2503] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={7:0}, bb_errno_location={7:0}, bb_msg_memory_exhausted={8:0}, die_jmp={9:0}, die_sleep=0, dummy_utmp={10:0}, i=9, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L2503] COND TRUE i<10 [L2504] a[i]=__VERIFIER_nondet_char() [L2503] ++i VAL [a={-1:0}, applet_name={0:0}, bb_errno={7:0}, bb_errno_location={7:0}, bb_msg_memory_exhausted={8:0}, die_jmp={9:0}, die_sleep=0, dummy_utmp={10:0}, i=10, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L2503] COND FALSE !(i<10) VAL [a={-1:0}, applet_name={0:0}, bb_errno={7:0}, bb_errno_location={7:0}, bb_msg_memory_exhausted={8:0}, die_jmp={9:0}, die_sleep=0, dummy_utmp={10:0}, i=10, logmode=1, msg_eol={3:0}, xfunc_error_retval=1] [L2505] applet_name = a [L2506] bb_errno_location = __VERIFIER_nondet_int() [L2507] optind = 1 [L2508] int argc = __VERIFIER_nondet_int(); [L2509] CALL assume_abort_if_not(argc >= 1 && argc <= 10000) VAL [\old(cond)=1, applet_name={-1:0}, bb_errno={7:0}, bb_errno_location={7:0}, bb_msg_memory_exhausted={8:0}, die_jmp={9:0}, die_sleep=0, dummy_utmp={10:0}, logmode=1, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L9] COND FALSE !(!cond) VAL [\old(cond)=1, applet_name={-1:0}, bb_errno={7:0}, bb_errno_location={7:0}, bb_msg_memory_exhausted={8:0}, cond=1, die_jmp={9:0}, die_sleep=0, dummy_utmp={10:0}, logmode=1, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L2509] RET assume_abort_if_not(argc >= 1 && argc <= 10000) VAL [a={-1:0}, applet_name={-1:0}, argc=2, bb_errno={7:0}, bb_errno_location={7:0}, bb_msg_memory_exhausted={8:0}, die_jmp={9:0}, die_sleep=0, dummy_utmp={10:0}, logmode=1, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L2510] EXPR argc+1 [L2510] char **argv=malloc((argc+1)*sizeof(char*)); [L2511] EXPR argc+1 [L2511] char **mem_track=malloc((argc+1)*sizeof(char*)); [L2512] argv[argc]=0 [L2513] int i=0; VAL [a={-1:0}, applet_name={-1:0}, argc=2, argv={-13:0}, bb_errno={7:0}, bb_errno_location={7:0}, bb_msg_memory_exhausted={8:0}, die_jmp={9:0}, die_sleep=0, dummy_utmp={10:0}, i=0, logmode=1, mem_track={-14:0}, msg_eol={3:0}, optind=1, xfunc_error_retval=1] [L2513] COND TRUE i main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2023-11-06 23:12:45,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:12:45,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:12:45,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:12:45,658 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:12:45,659 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:12:45,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2023-11-06 23:12:48,851 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:12:49,378 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:12:49,380 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2023-11-06 23:12:49,419 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/data/33e106ded/fbfad3a3d4e946cca4ca18c362f0f88a/FLAG364a937bd [2023-11-06 23:12:49,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/data/33e106ded/fbfad3a3d4e946cca4ca18c362f0f88a [2023-11-06 23:12:49,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:12:49,449 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:12:49,450 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:12:49,451 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:12:49,456 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:12:49,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:12:49" (1/1) ... [2023-11-06 23:12:49,458 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d5dbd42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:49, skipping insertion in model container [2023-11-06 23:12:49,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:12:49" (1/1) ... [2023-11-06 23:12:49,561 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:12:50,844 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:12:50,895 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-06 23:12:50,916 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:12:51,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:12:51,027 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:12:51,205 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:12:51,395 WARN L672 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:12:51,395 WARN L672 CHandler]: The function longjmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 23:12:51,403 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:12:51,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:51 WrapperNode [2023-11-06 23:12:51,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:12:51,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:12:51,406 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:12:51,406 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:12:51,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:51" (1/1) ... [2023-11-06 23:12:51,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:51" (1/1) ... [2023-11-06 23:12:51,545 INFO L138 Inliner]: procedures = 611, calls = 167, calls flagged for inlining = 16, calls inlined = 14, statements flattened = 438 [2023-11-06 23:12:51,546 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:12:51,547 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:12:51,547 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:12:51,547 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:12:51,557 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:51" (1/1) ... [2023-11-06 23:12:51,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:51" (1/1) ... [2023-11-06 23:12:51,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:51" (1/1) ... [2023-11-06 23:12:51,587 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:51" (1/1) ... [2023-11-06 23:12:51,625 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:51" (1/1) ... [2023-11-06 23:12:51,631 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:51" (1/1) ... [2023-11-06 23:12:51,644 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:51" (1/1) ... [2023-11-06 23:12:51,651 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:51" (1/1) ... [2023-11-06 23:12:51,665 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:12:51,666 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:12:51,667 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:12:51,667 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:12:51,668 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:51" (1/1) ... [2023-11-06 23:12:51,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:12:51,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:51,754 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:51,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:12:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2023-11-06 23:12:51,813 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2023-11-06 23:12:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:12:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 23:12:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-06 23:12:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 23:12:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-06 23:12:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:12:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 23:12:51,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2023-11-06 23:12:51,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2023-11-06 23:12:51,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2023-11-06 23:12:51,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2023-11-06 23:12:51,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:12:51,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:12:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-06 23:12:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-06 23:12:51,816 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-06 23:12:51,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-06 23:12:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 23:12:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 23:12:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:12:51,817 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:12:51,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:12:51,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 23:12:51,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-06 23:12:51,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-06 23:12:51,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2023-11-06 23:12:51,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2023-11-06 23:12:51,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-06 23:12:51,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2023-11-06 23:12:52,378 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:12:52,381 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:12:55,680 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:12:55,692 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:12:55,693 INFO L302 CfgBuilder]: Removed 9 assume(true) statements. [2023-11-06 23:12:55,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:12:55 BoogieIcfgContainer [2023-11-06 23:12:55,696 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:12:55,699 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:12:55,700 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:12:55,703 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:12:55,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:12:49" (1/3) ... [2023-11-06 23:12:55,705 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26223036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:12:55, skipping insertion in model container [2023-11-06 23:12:55,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:51" (2/3) ... [2023-11-06 23:12:55,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26223036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:12:55, skipping insertion in model container [2023-11-06 23:12:55,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:12:55" (3/3) ... [2023-11-06 23:12:55,708 INFO L112 eAbstractionObserver]: Analyzing ICFG chgrp-incomplete-1.i [2023-11-06 23:12:55,729 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:12:55,730 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2023-11-06 23:12:55,806 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:12:55,817 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@486af53, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:12:55,817 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2023-11-06 23:12:55,823 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 107 states have (on average 1.6635514018691588) internal successors, (178), 139 states have internal predecessors, (178), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:12:55,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-06 23:12:55,831 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:55,831 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-06 23:12:55,832 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:12:55,838 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:55,838 INFO L85 PathProgramCache]: Analyzing trace with hash 2495749, now seen corresponding path program 1 times [2023-11-06 23:12:55,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:12:55,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [993374713] [2023-11-06 23:12:55,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:55,860 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:12:55,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:12:55,873 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:12:55,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 23:12:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:56,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 23:12:56,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:56,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:56,253 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:12:56,254 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:12:56,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [993374713] [2023-11-06 23:12:56,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [993374713] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:56,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:56,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-06 23:12:56,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726842896] [2023-11-06 23:12:56,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:56,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:12:56,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:12:56,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:12:56,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:12:56,320 INFO L87 Difference]: Start difference. First operand has 151 states, 107 states have (on average 1.6635514018691588) internal successors, (178), 139 states have internal predecessors, (178), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:56,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:56,387 INFO L93 Difference]: Finished difference Result 283 states and 386 transitions. [2023-11-06 23:12:56,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:12:56,390 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-06 23:12:56,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:12:56,404 INFO L225 Difference]: With dead ends: 283 [2023-11-06 23:12:56,404 INFO L226 Difference]: Without dead ends: 127 [2023-11-06 23:12:56,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:12:56,414 INFO L413 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:12:56,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:12:56,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2023-11-06 23:12:56,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2023-11-06 23:12:56,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 96 states have (on average 1.4166666666666667) internal successors, (136), 115 states have internal predecessors, (136), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:12:56,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 152 transitions. [2023-11-06 23:12:56,492 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 152 transitions. Word has length 4 [2023-11-06 23:12:56,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:12:56,492 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 152 transitions. [2023-11-06 23:12:56,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:56,493 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 152 transitions. [2023-11-06 23:12:56,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-06 23:12:56,494 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:56,494 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 23:12:56,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-06 23:12:56,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:12:56,711 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:12:56,712 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:56,712 INFO L85 PathProgramCache]: Analyzing trace with hash 77368315, now seen corresponding path program 1 times [2023-11-06 23:12:56,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:12:56,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1653429606] [2023-11-06 23:12:56,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:56,713 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:12:56,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:12:56,715 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:12:56,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 23:12:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:56,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:12:56,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:56,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:56,985 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:12:56,985 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:12:56,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1653429606] [2023-11-06 23:12:56,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1653429606] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:56,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:56,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:12:56,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447969686] [2023-11-06 23:12:56,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:56,988 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:12:56,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:12:56,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:12:56,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:12:56,989 INFO L87 Difference]: Start difference. First operand 127 states and 152 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:57,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:57,067 INFO L93 Difference]: Finished difference Result 252 states and 302 transitions. [2023-11-06 23:12:57,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:12:57,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-11-06 23:12:57,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:12:57,070 INFO L225 Difference]: With dead ends: 252 [2023-11-06 23:12:57,071 INFO L226 Difference]: Without dead ends: 130 [2023-11-06 23:12:57,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:12:57,073 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:12:57,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 294 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:12:57,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2023-11-06 23:12:57,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2023-11-06 23:12:57,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 99 states have (on average 1.404040404040404) internal successors, (139), 118 states have internal predecessors, (139), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:12:57,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 155 transitions. [2023-11-06 23:12:57,087 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 155 transitions. Word has length 5 [2023-11-06 23:12:57,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:12:57,088 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 155 transitions. [2023-11-06 23:12:57,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:57,088 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 155 transitions. [2023-11-06 23:12:57,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 23:12:57,089 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:57,089 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2023-11-06 23:12:57,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:57,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:12:57,314 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:12:57,314 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:57,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1517875326, now seen corresponding path program 1 times [2023-11-06 23:12:57,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:12:57,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1004433656] [2023-11-06 23:12:57,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:57,316 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:12:57,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:12:57,320 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:12:57,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 23:12:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:57,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:12:57,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:57,687 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:57,688 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:12:57,780 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:57,780 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:12:57,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1004433656] [2023-11-06 23:12:57,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1004433656] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:12:57,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:12:57,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-06 23:12:57,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893540073] [2023-11-06 23:12:57,781 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:12:57,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:12:57,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:12:57,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:12:57,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:12:57,782 INFO L87 Difference]: Start difference. First operand 130 states and 155 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:57,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:58,000 INFO L93 Difference]: Finished difference Result 256 states and 308 transitions. [2023-11-06 23:12:58,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:12:58,002 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-06 23:12:58,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:12:58,004 INFO L225 Difference]: With dead ends: 256 [2023-11-06 23:12:58,006 INFO L226 Difference]: Without dead ends: 134 [2023-11-06 23:12:58,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:12:58,012 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 3 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:12:58,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 582 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:12:58,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2023-11-06 23:12:58,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 130. [2023-11-06 23:12:58,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 100 states have (on average 1.39) internal successors, (139), 118 states have internal predecessors, (139), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:12:58,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 155 transitions. [2023-11-06 23:12:58,036 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 155 transitions. Word has length 8 [2023-11-06 23:12:58,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:12:58,036 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 155 transitions. [2023-11-06 23:12:58,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:58,037 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 155 transitions. [2023-11-06 23:12:58,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-06 23:12:58,038 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:58,038 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:58,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:58,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:12:58,253 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:12:58,253 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:58,253 INFO L85 PathProgramCache]: Analyzing trace with hash 743145517, now seen corresponding path program 1 times [2023-11-06 23:12:58,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:12:58,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [98811365] [2023-11-06 23:12:58,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:58,255 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:12:58,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:12:58,256 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:12:58,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-06 23:12:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:58,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:12:58,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:58,576 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:58,576 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:12:58,682 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:58,682 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:12:58,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [98811365] [2023-11-06 23:12:58,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [98811365] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:12:58,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:12:58,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-06 23:12:58,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637364935] [2023-11-06 23:12:58,683 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:12:58,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:12:58,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:12:58,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:12:58,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:12:58,685 INFO L87 Difference]: Start difference. First operand 130 states and 155 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:12:59,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:59,018 INFO L93 Difference]: Finished difference Result 263 states and 316 transitions. [2023-11-06 23:12:59,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 23:12:59,022 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2023-11-06 23:12:59,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:12:59,023 INFO L225 Difference]: With dead ends: 263 [2023-11-06 23:12:59,023 INFO L226 Difference]: Without dead ends: 142 [2023-11-06 23:12:59,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2023-11-06 23:12:59,025 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 8 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 728 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:12:59,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 728 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:12:59,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-11-06 23:12:59,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2023-11-06 23:12:59,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 112 states have (on average 1.3482142857142858) internal successors, (151), 130 states have internal predecessors, (151), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:12:59,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 167 transitions. [2023-11-06 23:12:59,040 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 167 transitions. Word has length 17 [2023-11-06 23:12:59,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:12:59,041 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 167 transitions. [2023-11-06 23:12:59,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:12:59,041 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2023-11-06 23:12:59,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-06 23:12:59,042 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:12:59,042 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:59,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:59,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:12:59,259 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:12:59,259 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:59,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1267803501, now seen corresponding path program 2 times [2023-11-06 23:12:59,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:12:59,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2024376085] [2023-11-06 23:12:59,261 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 23:12:59,261 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:12:59,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:12:59,262 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:12:59,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-06 23:12:59,504 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 23:12:59,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 23:12:59,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:12:59,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:59,583 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-11-06 23:12:59,584 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:12:59,584 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:12:59,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2024376085] [2023-11-06 23:12:59,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2024376085] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:59,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:59,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:12:59,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846128703] [2023-11-06 23:12:59,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:59,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:12:59,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:12:59,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:12:59,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:12:59,587 INFO L87 Difference]: Start difference. First operand 142 states and 167 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:13:00,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:13:00,074 INFO L93 Difference]: Finished difference Result 142 states and 167 transitions. [2023-11-06 23:13:00,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:13:00,075 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2023-11-06 23:13:00,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:13:00,077 INFO L225 Difference]: With dead ends: 142 [2023-11-06 23:13:00,077 INFO L226 Difference]: Without dead ends: 140 [2023-11-06 23:13:00,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:13:00,078 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 107 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 23:13:00,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 433 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 23:13:00,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-11-06 23:13:00,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2023-11-06 23:13:00,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 112 states have (on average 1.3303571428571428) internal successors, (149), 128 states have internal predecessors, (149), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:13:00,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 165 transitions. [2023-11-06 23:13:00,093 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 165 transitions. Word has length 29 [2023-11-06 23:13:00,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:13:00,094 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 165 transitions. [2023-11-06 23:13:00,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:13:00,095 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 165 transitions. [2023-11-06 23:13:00,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-06 23:13:00,096 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:13:00,096 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:00,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:00,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:00,313 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:13:00,314 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:00,314 INFO L85 PathProgramCache]: Analyzing trace with hash 607535289, now seen corresponding path program 1 times [2023-11-06 23:13:00,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:13:00,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [956337222] [2023-11-06 23:13:00,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:00,315 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:00,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:13:00,316 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:13:00,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-06 23:13:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:00,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 23:13:00,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:00,956 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:13:00,956 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:13:01,356 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:13:01,357 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:13:01,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [956337222] [2023-11-06 23:13:01,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [956337222] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:13:01,357 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:13:01,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2023-11-06 23:13:01,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788084574] [2023-11-06 23:13:01,358 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:13:01,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-06 23:13:01,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:13:01,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-06 23:13:01,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2023-11-06 23:13:01,360 INFO L87 Difference]: Start difference. First operand 140 states and 165 transitions. Second operand has 16 states, 16 states have (on average 3.5) internal successors, (56), 16 states have internal predecessors, (56), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:13:02,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:13:02,114 INFO L93 Difference]: Finished difference Result 271 states and 324 transitions. [2023-11-06 23:13:02,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 23:13:02,118 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.5) internal successors, (56), 16 states have internal predecessors, (56), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2023-11-06 23:13:02,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:13:02,119 INFO L225 Difference]: With dead ends: 271 [2023-11-06 23:13:02,120 INFO L226 Difference]: Without dead ends: 152 [2023-11-06 23:13:02,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2023-11-06 23:13:02,121 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 8 mSDsluCounter, 1001 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1147 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 23:13:02,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1147 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 23:13:02,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2023-11-06 23:13:02,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2023-11-06 23:13:02,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 124 states have (on average 1.2983870967741935) internal successors, (161), 140 states have internal predecessors, (161), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:13:02,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 177 transitions. [2023-11-06 23:13:02,137 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 177 transitions. Word has length 35 [2023-11-06 23:13:02,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:13:02,137 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 177 transitions. [2023-11-06 23:13:02,138 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.5) internal successors, (56), 16 states have internal predecessors, (56), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:13:02,138 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 177 transitions. [2023-11-06 23:13:02,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-06 23:13:02,140 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:13:02,140 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:02,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:02,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:02,353 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:13:02,353 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:02,353 INFO L85 PathProgramCache]: Analyzing trace with hash 399840761, now seen corresponding path program 2 times [2023-11-06 23:13:02,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:13:02,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2100261338] [2023-11-06 23:13:02,354 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 23:13:02,354 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:02,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:13:02,356 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:13:02,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-06 23:13:02,716 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 23:13:02,716 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 23:13:02,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:13:02,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:02,754 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 23:13:02,754 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:13:02,754 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:13:02,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2100261338] [2023-11-06 23:13:02,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2100261338] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:13:02,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:13:02,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:13:02,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797498534] [2023-11-06 23:13:02,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:13:02,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:13:02,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:13:02,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:13:02,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:13:02,757 INFO L87 Difference]: Start difference. First operand 152 states and 177 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:13:02,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:13:02,838 INFO L93 Difference]: Finished difference Result 268 states and 318 transitions. [2023-11-06 23:13:02,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:13:02,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 47 [2023-11-06 23:13:02,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:13:02,840 INFO L225 Difference]: With dead ends: 268 [2023-11-06 23:13:02,841 INFO L226 Difference]: Without dead ends: 155 [2023-11-06 23:13:02,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:13:02,842 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:13:02,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 287 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:13:02,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2023-11-06 23:13:02,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2023-11-06 23:13:02,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 127 states have (on average 1.2913385826771653) internal successors, (164), 143 states have internal predecessors, (164), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:13:02,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 180 transitions. [2023-11-06 23:13:02,854 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 180 transitions. Word has length 47 [2023-11-06 23:13:02,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:13:02,854 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 180 transitions. [2023-11-06 23:13:02,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:13:02,855 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 180 transitions. [2023-11-06 23:13:02,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-06 23:13:02,857 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:13:02,857 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:02,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:03,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:03,079 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:13:03,080 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:03,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1711923366, now seen corresponding path program 1 times [2023-11-06 23:13:03,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:13:03,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1135551006] [2023-11-06 23:13:03,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:03,081 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:03,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:13:03,083 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:13:03,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-06 23:13:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:03,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:13:03,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:03,532 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 23:13:03,533 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:13:03,618 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 23:13:03,619 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:13:03,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1135551006] [2023-11-06 23:13:03,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1135551006] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:13:03,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:13:03,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-06 23:13:03,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111113538] [2023-11-06 23:13:03,620 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:13:03,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:13:03,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:13:03,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:13:03,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:13:03,621 INFO L87 Difference]: Start difference. First operand 155 states and 180 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:13:03,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:13:03,844 INFO L93 Difference]: Finished difference Result 275 states and 327 transitions. [2023-11-06 23:13:03,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:13:03,845 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2023-11-06 23:13:03,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:13:03,847 INFO L225 Difference]: With dead ends: 275 [2023-11-06 23:13:03,847 INFO L226 Difference]: Without dead ends: 159 [2023-11-06 23:13:03,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:13:03,849 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 3 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:13:03,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 426 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:13:03,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2023-11-06 23:13:03,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 155. [2023-11-06 23:13:03,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 128 states have (on average 1.28125) internal successors, (164), 143 states have internal predecessors, (164), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:13:03,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 180 transitions. [2023-11-06 23:13:03,860 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 180 transitions. Word has length 50 [2023-11-06 23:13:03,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:13:03,860 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 180 transitions. [2023-11-06 23:13:03,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:13:03,861 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 180 transitions. [2023-11-06 23:13:03,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-06 23:13:03,863 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:13:03,863 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:03,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:04,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:04,069 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:13:04,069 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:04,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1311964762, now seen corresponding path program 1 times [2023-11-06 23:13:04,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:13:04,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1302992277] [2023-11-06 23:13:04,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:04,071 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:04,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:13:04,072 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:13:04,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-06 23:13:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:04,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:13:04,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:04,455 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 23:13:04,455 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:13:04,455 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:13:04,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1302992277] [2023-11-06 23:13:04,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1302992277] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:13:04,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:13:04,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:13:04,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772104850] [2023-11-06 23:13:04,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:13:04,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:13:04,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:13:04,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:13:04,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:13:04,458 INFO L87 Difference]: Start difference. First operand 155 states and 180 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:13:04,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:13:04,502 INFO L93 Difference]: Finished difference Result 159 states and 184 transitions. [2023-11-06 23:13:04,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:13:04,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2023-11-06 23:13:04,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:13:04,509 INFO L225 Difference]: With dead ends: 159 [2023-11-06 23:13:04,509 INFO L226 Difference]: Without dead ends: 158 [2023-11-06 23:13:04,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:13:04,510 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 0 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:13:04,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 287 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:13:04,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2023-11-06 23:13:04,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2023-11-06 23:13:04,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 131 states have (on average 1.2748091603053435) internal successors, (167), 146 states have internal predecessors, (167), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:13:04,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 183 transitions. [2023-11-06 23:13:04,519 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 183 transitions. Word has length 53 [2023-11-06 23:13:04,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:13:04,519 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 183 transitions. [2023-11-06 23:13:04,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:13:04,520 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 183 transitions. [2023-11-06 23:13:04,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-06 23:13:04,521 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:13:04,521 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:04,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:04,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:04,740 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:13:04,740 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:04,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1178829085, now seen corresponding path program 1 times [2023-11-06 23:13:04,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:13:04,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1263326670] [2023-11-06 23:13:04,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:04,742 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:04,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:13:04,743 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:13:04,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-11-06 23:13:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:05,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:13:05,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:05,187 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 23:13:05,188 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:13:05,188 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:13:05,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1263326670] [2023-11-06 23:13:05,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1263326670] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:13:05,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:13:05,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:13:05,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833697183] [2023-11-06 23:13:05,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:13:05,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:13:05,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:13:05,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:13:05,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:13:05,190 INFO L87 Difference]: Start difference. First operand 158 states and 183 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:13:05,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:13:05,247 INFO L93 Difference]: Finished difference Result 167 states and 196 transitions. [2023-11-06 23:13:05,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:13:05,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2023-11-06 23:13:05,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:13:05,251 INFO L225 Difference]: With dead ends: 167 [2023-11-06 23:13:05,251 INFO L226 Difference]: Without dead ends: 166 [2023-11-06 23:13:05,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:13:05,253 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 4 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:13:05,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 289 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:13:05,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-11-06 23:13:05,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 162. [2023-11-06 23:13:05,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 135 states have (on average 1.2814814814814814) internal successors, (173), 150 states have internal predecessors, (173), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:13:05,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 189 transitions. [2023-11-06 23:13:05,264 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 189 transitions. Word has length 55 [2023-11-06 23:13:05,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:13:05,265 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 189 transitions. [2023-11-06 23:13:05,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:13:05,265 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 189 transitions. [2023-11-06 23:13:05,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-06 23:13:05,266 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:13:05,266 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:05,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:05,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:05,482 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:13:05,482 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:05,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1753804941, now seen corresponding path program 1 times [2023-11-06 23:13:05,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:13:05,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1944010068] [2023-11-06 23:13:05,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:05,483 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:05,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:13:05,484 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:13:05,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-11-06 23:13:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:05,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:13:05,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:06,004 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 23:13:06,005 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:13:06,125 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 23:13:06,125 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:13:06,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1944010068] [2023-11-06 23:13:06,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1944010068] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:13:06,126 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:13:06,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-06 23:13:06,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683616800] [2023-11-06 23:13:06,126 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:13:06,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:13:06,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:13:06,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:13:06,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:13:06,128 INFO L87 Difference]: Start difference. First operand 162 states and 189 transitions. Second operand has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:13:06,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:13:06,562 INFO L93 Difference]: Finished difference Result 297 states and 353 transitions. [2023-11-06 23:13:06,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 23:13:06,563 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 54 [2023-11-06 23:13:06,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:13:06,566 INFO L225 Difference]: With dead ends: 297 [2023-11-06 23:13:06,566 INFO L226 Difference]: Without dead ends: 174 [2023-11-06 23:13:06,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2023-11-06 23:13:06,567 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 10 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 23:13:06,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 709 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 23:13:06,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-11-06 23:13:06,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2023-11-06 23:13:06,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 147 states have (on average 1.2585034013605443) internal successors, (185), 162 states have internal predecessors, (185), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:13:06,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 201 transitions. [2023-11-06 23:13:06,581 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 201 transitions. Word has length 54 [2023-11-06 23:13:06,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:13:06,581 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 201 transitions. [2023-11-06 23:13:06,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:13:06,582 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 201 transitions. [2023-11-06 23:13:06,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-06 23:13:06,583 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:13:06,583 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:06,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:06,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:06,803 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:13:06,804 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:06,804 INFO L85 PathProgramCache]: Analyzing trace with hash 540198650, now seen corresponding path program 1 times [2023-11-06 23:13:06,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:13:06,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1260439535] [2023-11-06 23:13:06,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:06,805 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:06,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:13:06,806 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:13:06,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2023-11-06 23:13:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:07,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:13:07,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:07,232 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 23:13:07,232 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:13:07,323 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 23:13:07,323 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:13:07,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1260439535] [2023-11-06 23:13:07,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1260439535] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:13:07,324 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:13:07,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-06 23:13:07,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936132821] [2023-11-06 23:13:07,325 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:13:07,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:13:07,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:13:07,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:13:07,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:13:07,327 INFO L87 Difference]: Start difference. First operand 174 states and 201 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:13:07,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:13:07,453 INFO L93 Difference]: Finished difference Result 181 states and 210 transitions. [2023-11-06 23:13:07,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:13:07,454 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 56 [2023-11-06 23:13:07,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:13:07,456 INFO L225 Difference]: With dead ends: 181 [2023-11-06 23:13:07,456 INFO L226 Difference]: Without dead ends: 162 [2023-11-06 23:13:07,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:13:07,457 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:13:07,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 428 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:13:07,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-11-06 23:13:07,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2023-11-06 23:13:07,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 136 states have (on average 1.2573529411764706) internal successors, (171), 150 states have internal predecessors, (171), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:13:07,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 187 transitions. [2023-11-06 23:13:07,469 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 187 transitions. Word has length 56 [2023-11-06 23:13:07,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:13:07,470 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 187 transitions. [2023-11-06 23:13:07,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:13:07,470 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 187 transitions. [2023-11-06 23:13:07,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-06 23:13:07,471 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:13:07,472 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:07,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:07,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:07,691 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:13:07,691 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:07,691 INFO L85 PathProgramCache]: Analyzing trace with hash 2011639626, now seen corresponding path program 1 times [2023-11-06 23:13:07,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:13:07,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1288882195] [2023-11-06 23:13:07,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:07,693 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:07,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:13:07,694 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:13:07,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-11-06 23:13:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:08,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:13:08,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:08,206 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 23:13:08,206 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:13:08,315 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 23:13:08,315 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:13:08,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1288882195] [2023-11-06 23:13:08,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1288882195] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:13:08,315 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:13:08,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-06 23:13:08,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43607599] [2023-11-06 23:13:08,316 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:13:08,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:13:08,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:13:08,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:13:08,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:13:08,317 INFO L87 Difference]: Start difference. First operand 162 states and 187 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:13:08,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:13:08,510 INFO L93 Difference]: Finished difference Result 187 states and 227 transitions. [2023-11-06 23:13:08,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:13:08,511 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 59 [2023-11-06 23:13:08,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:13:08,513 INFO L225 Difference]: With dead ends: 187 [2023-11-06 23:13:08,514 INFO L226 Difference]: Without dead ends: 186 [2023-11-06 23:13:08,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:13:08,515 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 30 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:13:08,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 412 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:13:08,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-11-06 23:13:08,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 157. [2023-11-06 23:13:08,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 132 states have (on average 1.2424242424242424) internal successors, (164), 145 states have internal predecessors, (164), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:13:08,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 180 transitions. [2023-11-06 23:13:08,528 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 180 transitions. Word has length 59 [2023-11-06 23:13:08,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:13:08,529 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 180 transitions. [2023-11-06 23:13:08,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:13:08,529 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 180 transitions. [2023-11-06 23:13:08,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-06 23:13:08,531 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:13:08,531 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:08,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:08,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:08,733 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:13:08,733 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:08,733 INFO L85 PathProgramCache]: Analyzing trace with hash -495147319, now seen corresponding path program 1 times [2023-11-06 23:13:08,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:13:08,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1222519568] [2023-11-06 23:13:08,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:08,734 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:08,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:13:08,736 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:13:08,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2023-11-06 23:13:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:09,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:13:09,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:09,472 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 23:13:09,473 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:13:09,473 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:13:09,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1222519568] [2023-11-06 23:13:09,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1222519568] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:13:09,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:13:09,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:13:09,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649735932] [2023-11-06 23:13:09,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:13:09,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:13:09,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:13:09,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:13:09,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:13:09,475 INFO L87 Difference]: Start difference. First operand 157 states and 180 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 23:13:09,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:13:09,592 INFO L93 Difference]: Finished difference Result 241 states and 280 transitions. [2023-11-06 23:13:09,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:13:09,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 67 [2023-11-06 23:13:09,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:13:09,595 INFO L225 Difference]: With dead ends: 241 [2023-11-06 23:13:09,596 INFO L226 Difference]: Without dead ends: 157 [2023-11-06 23:13:09,596 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:13:09,597 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 173 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:13:09,597 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 185 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:13:09,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2023-11-06 23:13:09,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2023-11-06 23:13:09,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 132 states have (on average 1.2348484848484849) internal successors, (163), 145 states have internal predecessors, (163), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-06 23:13:09,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 179 transitions. [2023-11-06 23:13:09,618 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 179 transitions. Word has length 67 [2023-11-06 23:13:09,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:13:09,618 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 179 transitions. [2023-11-06 23:13:09,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 23:13:09,619 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 179 transitions. [2023-11-06 23:13:09,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-06 23:13:09,620 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:13:09,620 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:09,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:09,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:09,828 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:13:09,828 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:09,828 INFO L85 PathProgramCache]: Analyzing trace with hash 205917259, now seen corresponding path program 1 times [2023-11-06 23:13:09,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:13:09,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1125411403] [2023-11-06 23:13:09,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:09,830 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:09,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:13:09,831 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:13:09,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2023-11-06 23:13:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:10,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:13:10,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:10,425 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2023-11-06 23:13:10,425 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:13:10,425 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:13:10,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1125411403] [2023-11-06 23:13:10,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1125411403] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:13:10,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:13:10,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:13:10,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685704382] [2023-11-06 23:13:10,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:13:10,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:13:10,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:13:10,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:13:10,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:13:10,428 INFO L87 Difference]: Start difference. First operand 157 states and 179 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 23:13:10,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:13:10,607 INFO L93 Difference]: Finished difference Result 232 states and 267 transitions. [2023-11-06 23:13:10,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:13:10,608 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 67 [2023-11-06 23:13:10,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:13:10,609 INFO L225 Difference]: With dead ends: 232 [2023-11-06 23:13:10,609 INFO L226 Difference]: Without dead ends: 159 [2023-11-06 23:13:10,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:13:10,611 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 0 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:13:10,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 510 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:13:10,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2023-11-06 23:13:10,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2023-11-06 23:13:10,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 133 states have (on average 1.2330827067669172) internal successors, (164), 147 states have internal predecessors, (164), 8 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2023-11-06 23:13:10,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 181 transitions. [2023-11-06 23:13:10,626 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 181 transitions. Word has length 67 [2023-11-06 23:13:10,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:13:10,627 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 181 transitions. [2023-11-06 23:13:10,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 23:13:10,627 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 181 transitions. [2023-11-06 23:13:10,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-06 23:13:10,628 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:13:10,629 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:10,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2023-11-06 23:13:10,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:10,845 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:13:10,845 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:10,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1265371725, now seen corresponding path program 2 times [2023-11-06 23:13:10,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:13:10,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [883884808] [2023-11-06 23:13:10,847 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 23:13:10,847 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:10,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:13:10,848 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:13:10,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2023-11-06 23:13:11,253 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 23:13:11,253 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 23:13:11,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:13:11,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:11,368 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2023-11-06 23:13:11,368 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:13:11,368 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:13:11,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [883884808] [2023-11-06 23:13:11,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [883884808] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:13:11,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:13:11,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:13:11,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163465429] [2023-11-06 23:13:11,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:13:11,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:13:11,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:13:11,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:13:11,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:13:11,371 INFO L87 Difference]: Start difference. First operand 159 states and 181 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:13:11,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:13:11,544 INFO L93 Difference]: Finished difference Result 184 states and 208 transitions. [2023-11-06 23:13:11,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:13:11,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 66 [2023-11-06 23:13:11,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:13:11,547 INFO L225 Difference]: With dead ends: 184 [2023-11-06 23:13:11,547 INFO L226 Difference]: Without dead ends: 183 [2023-11-06 23:13:11,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:13:11,549 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 1 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 23:13:11,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 256 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 23:13:11,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2023-11-06 23:13:11,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 182. [2023-11-06 23:13:11,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 156 states have (on average 1.2115384615384615) internal successors, (189), 170 states have internal predecessors, (189), 8 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2023-11-06 23:13:11,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 206 transitions. [2023-11-06 23:13:11,568 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 206 transitions. Word has length 66 [2023-11-06 23:13:11,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:13:11,569 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 206 transitions. [2023-11-06 23:13:11,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:13:11,570 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 206 transitions. [2023-11-06 23:13:11,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-06 23:13:11,571 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:13:11,571 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:11,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:11,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:11,777 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:13:11,777 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:11,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1305833260, now seen corresponding path program 1 times [2023-11-06 23:13:11,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:13:11,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [597680653] [2023-11-06 23:13:11,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:11,779 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:11,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:13:11,780 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:13:11,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2023-11-06 23:13:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:12,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:13:12,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:12,392 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-06 23:13:12,392 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:13:12,392 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:13:12,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [597680653] [2023-11-06 23:13:12,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [597680653] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:13:12,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:13:12,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:13:12,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253310099] [2023-11-06 23:13:12,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:13:12,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 23:13:12,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:13:12,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:13:12,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:13:12,394 INFO L87 Difference]: Start difference. First operand 182 states and 206 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 23:13:12,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:13:12,529 INFO L93 Difference]: Finished difference Result 273 states and 315 transitions. [2023-11-06 23:13:12,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:13:12,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 74 [2023-11-06 23:13:12,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:13:12,533 INFO L225 Difference]: With dead ends: 273 [2023-11-06 23:13:12,533 INFO L226 Difference]: Without dead ends: 182 [2023-11-06 23:13:12,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:13:12,535 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 2 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:13:12,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 506 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:13:12,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2023-11-06 23:13:12,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2023-11-06 23:13:12,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 156 states have (on average 1.205128205128205) internal successors, (188), 170 states have internal predecessors, (188), 8 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2023-11-06 23:13:12,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 205 transitions. [2023-11-06 23:13:12,574 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 205 transitions. Word has length 74 [2023-11-06 23:13:12,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:13:12,574 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 205 transitions. [2023-11-06 23:13:12,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 23:13:12,575 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 205 transitions. [2023-11-06 23:13:12,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-06 23:13:12,576 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:13:12,576 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:12,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:12,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:12,798 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:13:12,798 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:12,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1393267668, now seen corresponding path program 1 times [2023-11-06 23:13:12,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:13:12,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1261531507] [2023-11-06 23:13:12,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:12,799 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:12,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:13:12,801 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:13:12,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2023-11-06 23:13:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:13,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 23:13:13,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:13,450 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-06 23:13:13,451 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:13:13,451 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:13:13,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1261531507] [2023-11-06 23:13:13,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1261531507] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:13:13,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:13:13,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:13:13,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989038413] [2023-11-06 23:13:13,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:13:13,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 23:13:13,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:13:13,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:13:13,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:13:13,453 INFO L87 Difference]: Start difference. First operand 182 states and 205 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 23:13:13,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:13:13,479 INFO L93 Difference]: Finished difference Result 242 states and 274 transitions. [2023-11-06 23:13:13,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:13:13,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 75 [2023-11-06 23:13:13,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:13:13,482 INFO L225 Difference]: With dead ends: 242 [2023-11-06 23:13:13,482 INFO L226 Difference]: Without dead ends: 172 [2023-11-06 23:13:13,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:13:13,484 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 55 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:13:13,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 174 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:13:13,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2023-11-06 23:13:13,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2023-11-06 23:13:13,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 149 states have (on average 1.1812080536912752) internal successors, (176), 161 states have internal predecessors, (176), 7 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2023-11-06 23:13:13,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 191 transitions. [2023-11-06 23:13:13,504 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 191 transitions. Word has length 75 [2023-11-06 23:13:13,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:13:13,505 INFO L495 AbstractCegarLoop]: Abstraction has 172 states and 191 transitions. [2023-11-06 23:13:13,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 23:13:13,505 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 191 transitions. [2023-11-06 23:13:13,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-06 23:13:13,507 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:13:13,507 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:13,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:13,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:13,733 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:13:13,733 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:13,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1393269590, now seen corresponding path program 1 times [2023-11-06 23:13:13,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:13:13,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1670455469] [2023-11-06 23:13:13,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:13,734 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:13,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:13:13,736 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:13:13,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2023-11-06 23:13:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:14,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 23:13:14,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:14,413 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-06 23:13:14,414 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:13:14,414 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:13:14,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1670455469] [2023-11-06 23:13:14,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1670455469] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:13:14,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:13:14,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 23:13:14,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773262589] [2023-11-06 23:13:14,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:13:14,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:13:14,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:13:14,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:13:14,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:13:14,416 INFO L87 Difference]: Start difference. First operand 172 states and 191 transitions. Second operand has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 23:13:14,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:13:14,804 INFO L93 Difference]: Finished difference Result 201 states and 227 transitions. [2023-11-06 23:13:14,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:13:14,806 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 75 [2023-11-06 23:13:14,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:13:14,808 INFO L225 Difference]: With dead ends: 201 [2023-11-06 23:13:14,808 INFO L226 Difference]: Without dead ends: 196 [2023-11-06 23:13:14,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:13:14,809 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 18 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-06 23:13:14,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 524 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-06 23:13:14,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2023-11-06 23:13:14,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 194. [2023-11-06 23:13:14,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 169 states have (on average 1.1893491124260356) internal successors, (201), 181 states have internal predecessors, (201), 8 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (11), 9 states have call predecessors, (11), 8 states have call successors, (11) [2023-11-06 23:13:14,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 220 transitions. [2023-11-06 23:13:14,831 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 220 transitions. Word has length 75 [2023-11-06 23:13:14,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:13:14,832 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 220 transitions. [2023-11-06 23:13:14,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 23:13:14,832 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 220 transitions. [2023-11-06 23:13:14,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-06 23:13:14,833 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:13:14,834 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:14,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:15,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:15,036 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:13:15,036 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:15,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1020066703, now seen corresponding path program 1 times [2023-11-06 23:13:15,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:13:15,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1071340785] [2023-11-06 23:13:15,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:15,037 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:15,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:13:15,038 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:13:15,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2023-11-06 23:13:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:15,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:13:15,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:15,775 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-06 23:13:15,776 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:13:16,491 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:13:16,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1071340785] [2023-11-06 23:13:16,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1071340785] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:13:16,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1254360342] [2023-11-06 23:13:16,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:16,492 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 23:13:16,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 23:13:16,499 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 23:13:16,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-11-06 23:13:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:17,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 23:13:17,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:17,998 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-11-06 23:13:17,999 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:13:17,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1254360342] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:13:17,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:13:17,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11 [2023-11-06 23:13:18,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414428787] [2023-11-06 23:13:18,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:13:18,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 23:13:18,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:13:18,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:13:18,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2023-11-06 23:13:18,002 INFO L87 Difference]: Start difference. First operand 194 states and 220 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 23:13:18,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:13:18,718 INFO L93 Difference]: Finished difference Result 302 states and 348 transitions. [2023-11-06 23:13:18,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:13:18,720 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 79 [2023-11-06 23:13:18,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:13:18,722 INFO L225 Difference]: With dead ends: 302 [2023-11-06 23:13:18,722 INFO L226 Difference]: Without dead ends: 194 [2023-11-06 23:13:18,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2023-11-06 23:13:18,724 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 94 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 23:13:18,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 407 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 23:13:18,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2023-11-06 23:13:18,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2023-11-06 23:13:18,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 169 states have (on average 1.183431952662722) internal successors, (200), 181 states have internal predecessors, (200), 8 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (11), 9 states have call predecessors, (11), 8 states have call successors, (11) [2023-11-06 23:13:18,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 219 transitions. [2023-11-06 23:13:18,742 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 219 transitions. Word has length 79 [2023-11-06 23:13:18,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:13:18,743 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 219 transitions. [2023-11-06 23:13:18,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 23:13:18,743 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 219 transitions. [2023-11-06 23:13:18,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-06 23:13:18,744 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:13:18,745 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 10, 10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:18,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:18,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2023-11-06 23:13:19,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:19,155 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:13:19,156 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:19,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1225375823, now seen corresponding path program 1 times [2023-11-06 23:13:19,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:13:19,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1084846515] [2023-11-06 23:13:19,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:19,157 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:19,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:13:19,158 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:13:19,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2023-11-06 23:13:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:19,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 23:13:19,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:19,976 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 122 proven. 51 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2023-11-06 23:13:19,976 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:13:20,259 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 122 proven. 51 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2023-11-06 23:13:20,260 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:13:20,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1084846515] [2023-11-06 23:13:20,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1084846515] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:13:20,260 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:13:20,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2023-11-06 23:13:20,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905827574] [2023-11-06 23:13:20,261 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:13:20,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-06 23:13:20,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:13:20,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-06 23:13:20,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2023-11-06 23:13:20,265 INFO L87 Difference]: Start difference. First operand 194 states and 219 transitions. Second operand has 16 states, 16 states have (on average 3.9375) internal successors, (63), 16 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:13:21,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:13:21,516 INFO L93 Difference]: Finished difference Result 353 states and 408 transitions. [2023-11-06 23:13:21,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 23:13:21,517 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.9375) internal successors, (63), 16 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 89 [2023-11-06 23:13:21,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:13:21,519 INFO L225 Difference]: With dead ends: 353 [2023-11-06 23:13:21,519 INFO L226 Difference]: Without dead ends: 218 [2023-11-06 23:13:21,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2023-11-06 23:13:21,520 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 8 mSDsluCounter, 1130 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1247 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:13:21,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1247 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-06 23:13:21,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2023-11-06 23:13:21,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2023-11-06 23:13:21,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 193 states have (on average 1.160621761658031) internal successors, (224), 205 states have internal predecessors, (224), 8 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (11), 9 states have call predecessors, (11), 8 states have call successors, (11) [2023-11-06 23:13:21,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 243 transitions. [2023-11-06 23:13:21,540 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 243 transitions. Word has length 89 [2023-11-06 23:13:21,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:13:21,540 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 243 transitions. [2023-11-06 23:13:21,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.9375) internal successors, (63), 16 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:13:21,552 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 243 transitions. [2023-11-06 23:13:21,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-06 23:13:21,553 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:13:21,554 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:21,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:21,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:21,775 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:13:21,775 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:21,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1788196019, now seen corresponding path program 1 times [2023-11-06 23:13:21,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:13:21,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2098254550] [2023-11-06 23:13:21,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:21,776 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:21,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:13:21,777 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:13:21,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2023-11-06 23:13:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:22,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:13:22,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:22,646 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-11-06 23:13:22,646 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:13:23,282 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:13:23,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2098254550] [2023-11-06 23:13:23,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2098254550] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:13:23,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1325531442] [2023-11-06 23:13:23,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:23,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 23:13:23,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 23:13:23,284 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 23:13:23,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-11-06 23:13:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:26,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:13:26,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:26,065 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2023-11-06 23:13:26,066 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:13:26,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1325531442] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:13:26,172 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:13:26,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2023-11-06 23:13:26,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [522855070] [2023-11-06 23:13:26,173 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:13:26,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:13:26,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:13:26,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:13:26,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:13:26,174 INFO L87 Difference]: Start difference. First operand 218 states and 243 transitions. Second operand has 7 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 23:13:26,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:13:26,623 INFO L93 Difference]: Finished difference Result 249 states and 281 transitions. [2023-11-06 23:13:26,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:13:26,624 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 114 [2023-11-06 23:13:26,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:13:26,627 INFO L225 Difference]: With dead ends: 249 [2023-11-06 23:13:26,627 INFO L226 Difference]: Without dead ends: 246 [2023-11-06 23:13:26,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-11-06 23:13:26,628 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 23 mSDsluCounter, 626 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 23:13:26,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 761 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 23:13:26,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2023-11-06 23:13:26,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 239. [2023-11-06 23:13:26,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 212 states have (on average 1.1745283018867925) internal successors, (249), 224 states have internal predecessors, (249), 9 states have call successors, (9), 3 states have call predecessors, (9), 6 states have return successors, (14), 11 states have call predecessors, (14), 9 states have call successors, (14) [2023-11-06 23:13:26,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 272 transitions. [2023-11-06 23:13:26,650 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 272 transitions. Word has length 114 [2023-11-06 23:13:26,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:13:26,650 INFO L495 AbstractCegarLoop]: Abstraction has 239 states and 272 transitions. [2023-11-06 23:13:26,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 23:13:26,651 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 272 transitions. [2023-11-06 23:13:26,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-06 23:13:26,652 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:13:26,653 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:26,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:26,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-11-06 23:13:27,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt [2023-11-06 23:13:27,069 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, vasprintfErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2023-11-06 23:13:27,069 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:27,070 INFO L85 PathProgramCache]: Analyzing trace with hash -400498070, now seen corresponding path program 1 times [2023-11-06 23:13:27,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:13:27,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [267592516] [2023-11-06 23:13:27,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:27,071 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 23:13:27,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:13:27,073 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 23:13:27,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3ca32f-0aee-431b-b7fd-5b3713122495/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2023-11-06 23:13:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:30,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 54 conjunts are in the unsatisfiable core [2023-11-06 23:13:30,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:31,000 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-06 23:13:31,101 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-06 23:13:31,188 INFO L322 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2023-11-06 23:13:31,188 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2023-11-06 23:13:31,222 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-06 23:13:31,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:13:31,427 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 104 [2023-11-06 23:13:31,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:13:31,527 INFO L322 Elim1Store]: treesize reduction 22, result has 18.5 percent of original size [2023-11-06 23:13:31,528 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 81 [2023-11-06 23:13:31,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:13:31,547 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 46 [2023-11-06 23:13:31,564 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 22 [2023-11-06 23:13:31,595 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 9 [2023-11-06 23:13:31,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:13:31,647 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 197 treesize of output 133 [2023-11-06 23:13:31,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:13:31,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:13:31,702 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 203 treesize of output 139 [2023-11-06 23:13:31,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:13:31,766 INFO L322 Elim1Store]: treesize reduction 43, result has 2.3 percent of original size [2023-11-06 23:13:31,766 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 99 treesize of output 1 [2023-11-06 23:13:31,977 INFO L322 Elim1Store]: treesize reduction 22, result has 18.5 percent of original size [2023-11-06 23:13:31,977 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 61 [2023-11-06 23:13:31,993 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 22 [2023-11-06 23:13:32,237 INFO L322 Elim1Store]: treesize reduction 22, result has 18.5 percent of original size [2023-11-06 23:13:32,237 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 61 [2023-11-06 23:13:32,271 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 22 [2023-11-06 23:13:32,541 INFO L322 Elim1Store]: treesize reduction 22, result has 18.5 percent of original size [2023-11-06 23:13:32,542 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 61 [2023-11-06 23:13:32,556 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 22 [2023-11-06 23:13:32,790 INFO L322 Elim1Store]: treesize reduction 22, result has 18.5 percent of original size [2023-11-06 23:13:32,791 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 61 [2023-11-06 23:13:32,818 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 22 [2023-11-06 23:13:33,047 INFO L322 Elim1Store]: treesize reduction 22, result has 18.5 percent of original size [2023-11-06 23:13:33,048 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 61 [2023-11-06 23:13:33,073 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 22 [2023-11-06 23:13:33,288 INFO L322 Elim1Store]: treesize reduction 22, result has 18.5 percent of original size [2023-11-06 23:13:33,288 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 61 [2023-11-06 23:13:33,314 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 22 [2023-11-06 23:13:33,543 INFO L322 Elim1Store]: treesize reduction 22, result has 18.5 percent of original size [2023-11-06 23:13:33,543 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 61 [2023-11-06 23:13:33,576 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 22 [2023-11-06 23:13:33,784 INFO L322 Elim1Store]: treesize reduction 22, result has 18.5 percent of original size [2023-11-06 23:13:33,784 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 61 [2023-11-06 23:13:33,812 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 22 [2023-11-06 23:13:34,040 INFO L322 Elim1Store]: treesize reduction 22, result has 18.5 percent of original size [2023-11-06 23:13:34,041 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 61 [2023-11-06 23:13:34,055 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 22 [2023-11-06 23:13:34,270 INFO L322 Elim1Store]: treesize reduction 22, result has 18.5 percent of original size [2023-11-06 23:13:34,270 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 61 [2023-11-06 23:13:34,283 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 22 [2023-11-06 23:13:35,381 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 23:13:35,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:13:35,384 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 10 [2023-11-06 23:13:35,396 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-06 23:13:35,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 23:13:35,405 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-06 23:13:35,406 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 14 [2023-11-06 23:13:35,509 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2023-11-06 23:13:35,509 INFO L327 TraceCheckSpWp]: Computing backward predicates...