./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_11_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_11_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ --witnessprinter.witness.filename witness --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 fcff98ef51e3b09131273b34f1e7e992e7f5c9a8509de788567aa68bc3d1cb7e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:32:44,690 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:32:44,819 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-23 22:32:44,829 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:32:44,830 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:32:44,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:32:44,880 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:32:44,881 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:32:44,882 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:32:44,889 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:32:44,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:32:44,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:32:44,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:32:44,893 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:32:44,894 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:32:44,894 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:32:44,895 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:32:44,895 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:32:44,896 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:32:44,896 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:32:44,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:32:44,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:32:44,900 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 22:32:44,900 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 22:32:44,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:32:44,901 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:32:44,902 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:32:44,902 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:32:44,903 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 22:32:44,903 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:32:44,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:32:44,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:32:44,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:32:44,905 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:32:44,905 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:32:44,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 22:32:44,917 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:32:44,917 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:32:44,918 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:32:44,919 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:32:44,920 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:32:44,920 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_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcff98ef51e3b09131273b34f1e7e992e7f5c9a8509de788567aa68bc3d1cb7e [2023-11-23 22:32:45,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:32:45,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:32:45,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:32:45,300 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:32:45,301 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:32:45,302 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_11_good.i [2023-11-23 22:32:48,860 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:32:49,260 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:32:49,261 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_11_good.i [2023-11-23 22:32:49,293 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/data/e73670685/d574ff32d7754057b9a9383ab52826ff/FLAG273e791c3 [2023-11-23 22:32:49,311 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/data/e73670685/d574ff32d7754057b9a9383ab52826ff [2023-11-23 22:32:49,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:32:49,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:32:49,325 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:32:49,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:32:49,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:32:49,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:32:49" (1/1) ... [2023-11-23 22:32:49,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@334a693c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:49, skipping insertion in model container [2023-11-23 22:32:49,341 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:32:49" (1/1) ... [2023-11-23 22:32:49,402 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:32:49,842 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 22:32:50,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:32:50,601 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:32:50,646 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 22:32:50,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:32:51,052 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 22:32:51,053 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 22:32:51,053 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 22:32:51,054 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 22:32:51,054 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 22:32:51,064 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:32:51,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:51 WrapperNode [2023-11-23 22:32:51,066 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:32:51,067 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:32:51,068 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:32:51,068 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:32:51,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:51" (1/1) ... [2023-11-23 22:32:51,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:51" (1/1) ... [2023-11-23 22:32:51,164 INFO L138 Inliner]: procedures = 503, calls = 79, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 211 [2023-11-23 22:32:51,165 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:32:51,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:32:51,166 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:32:51,166 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:32:51,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:51" (1/1) ... [2023-11-23 22:32:51,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:51" (1/1) ... [2023-11-23 22:32:51,181 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:51" (1/1) ... [2023-11-23 22:32:51,202 INFO L189 HeapSplitter]: Split 1 memory accesses to 1 slices as follows [1] [2023-11-23 22:32:51,203 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:51" (1/1) ... [2023-11-23 22:32:51,203 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:51" (1/1) ... [2023-11-23 22:32:51,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:51" (1/1) ... [2023-11-23 22:32:51,215 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:51" (1/1) ... [2023-11-23 22:32:51,218 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:51" (1/1) ... [2023-11-23 22:32:51,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:51" (1/1) ... [2023-11-23 22:32:51,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:32:51,227 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:32:51,227 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:32:51,227 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:32:51,228 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:51" (1/1) ... [2023-11-23 22:32:51,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:32:51,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:51,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 22:32:51,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 22:32:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 22:32:51,323 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 22:32:51,324 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 22:32:51,324 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 22:32:51,324 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2023-11-23 22:32:51,324 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2023-11-23 22:32:51,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:32:51,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:32:51,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:32:51,325 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsFalse [2023-11-23 22:32:51,325 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsFalse [2023-11-23 22:32:51,326 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 22:32:51,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 22:32:51,486 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:32:51,489 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:32:51,914 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:32:51,949 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:32:51,949 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 22:32:51,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:32:51 BoogieIcfgContainer [2023-11-23 22:32:51,950 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:32:51,953 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 22:32:51,958 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 22:32:51,962 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 22:32:51,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:32:49" (1/3) ... [2023-11-23 22:32:51,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d47cb90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:32:51, skipping insertion in model container [2023-11-23 22:32:51,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:32:51" (2/3) ... [2023-11-23 22:32:51,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d47cb90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:32:51, skipping insertion in model container [2023-11-23 22:32:51,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:32:51" (3/3) ... [2023-11-23 22:32:51,970 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_11_good.i [2023-11-23 22:32:51,989 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 22:32:51,990 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-23 22:32:52,046 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 22:32:52,054 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=LoopHeads, 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;@1139cf25, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:32:52,054 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-23 22:32:52,059 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 79 states have (on average 1.5696202531645569) internal successors, (124), 91 states have internal predecessors, (124), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-23 22:32:52,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 22:32:52,069 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:52,070 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:32:52,071 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 22:32:52,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:52,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1160239265, now seen corresponding path program 1 times [2023-11-23 22:32:52,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:52,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548181708] [2023-11-23 22:32:52,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:52,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:52,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:52,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 22:32:52,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:52,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-23 22:32:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:52,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:32:52,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:52,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548181708] [2023-11-23 22:32:52,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548181708] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:52,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:32:52,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:32:52,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51914563] [2023-11-23 22:32:52,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:52,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:32:52,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:52,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:32:52,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:32:52,656 INFO L87 Difference]: Start difference. First operand has 110 states, 79 states have (on average 1.5696202531645569) internal successors, (124), 91 states have internal predecessors, (124), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-23 22:32:52,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:52,768 INFO L93 Difference]: Finished difference Result 196 states and 280 transitions. [2023-11-23 22:32:52,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 22:32:52,770 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 19 [2023-11-23 22:32:52,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:52,781 INFO L225 Difference]: With dead ends: 196 [2023-11-23 22:32:52,781 INFO L226 Difference]: Without dead ends: 104 [2023-11-23 22:32:52,785 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 [2023-11-23 22:32:52,789 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 0 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:32:52,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 450 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:32:52,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-23 22:32:52,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2023-11-23 22:32:52,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 76 states have (on average 1.5526315789473684) internal successors, (118), 87 states have internal predecessors, (118), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-23 22:32:52,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 150 transitions. [2023-11-23 22:32:52,835 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 150 transitions. Word has length 19 [2023-11-23 22:32:52,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:52,836 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 150 transitions. [2023-11-23 22:32:52,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-23 22:32:52,837 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 150 transitions. [2023-11-23 22:32:52,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 22:32:52,839 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:52,839 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-23 22:32:52,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 22:32:52,840 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 22:32:52,841 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:52,841 INFO L85 PathProgramCache]: Analyzing trace with hash -973115006, now seen corresponding path program 1 times [2023-11-23 22:32:52,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:52,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695381895] [2023-11-23 22:32:52,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:52,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:52,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:52,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 22:32:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:52,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 22:32:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:52,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:32:52,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:52,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695381895] [2023-11-23 22:32:52,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695381895] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:52,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:32:52,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:32:52,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351432742] [2023-11-23 22:32:52,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:52,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:32:52,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:52,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:32:52,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:32:52,971 INFO L87 Difference]: Start difference. First operand 104 states and 150 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-23 22:32:53,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:53,009 INFO L93 Difference]: Finished difference Result 105 states and 151 transitions. [2023-11-23 22:32:53,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:32:53,014 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2023-11-23 22:32:53,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:53,018 INFO L225 Difference]: With dead ends: 105 [2023-11-23 22:32:53,018 INFO L226 Difference]: Without dead ends: 104 [2023-11-23 22:32:53,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:32:53,020 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 36 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 244 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 [2023-11-23 22:32:53,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 244 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:32:53,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-23 22:32:53,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 103. [2023-11-23 22:32:53,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 76 states have (on average 1.5394736842105263) internal successors, (117), 86 states have internal predecessors, (117), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-23 22:32:53,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 149 transitions. [2023-11-23 22:32:53,058 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 149 transitions. Word has length 25 [2023-11-23 22:32:53,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:53,059 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 149 transitions. [2023-11-23 22:32:53,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-23 22:32:53,059 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 149 transitions. [2023-11-23 22:32:53,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 22:32:53,061 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:53,061 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-23 22:32:53,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 22:32:53,062 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 22:32:53,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:53,062 INFO L85 PathProgramCache]: Analyzing trace with hash -101793970, now seen corresponding path program 1 times [2023-11-23 22:32:53,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:53,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707340147] [2023-11-23 22:32:53,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:53,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 22:32:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 22:32:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:32:53,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:53,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707340147] [2023-11-23 22:32:53,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707340147] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:53,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:32:53,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:32:53,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213836763] [2023-11-23 22:32:53,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:53,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:32:53,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:53,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:32:53,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:32:53,327 INFO L87 Difference]: Start difference. First operand 103 states and 149 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-23 22:32:53,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:53,390 INFO L93 Difference]: Finished difference Result 103 states and 149 transitions. [2023-11-23 22:32:53,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:32:53,392 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 1 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 26 [2023-11-23 22:32:53,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:53,396 INFO L225 Difference]: With dead ends: 103 [2023-11-23 22:32:53,396 INFO L226 Difference]: Without dead ends: 102 [2023-11-23 22:32:53,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:32:53,401 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 36 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:32:53,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 236 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:32:53,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-11-23 22:32:53,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2023-11-23 22:32:53,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 76 states have (on average 1.5263157894736843) internal successors, (116), 85 states have internal predecessors, (116), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-23 22:32:53,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 148 transitions. [2023-11-23 22:32:53,422 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 148 transitions. Word has length 26 [2023-11-23 22:32:53,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:53,422 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 148 transitions. [2023-11-23 22:32:53,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-23 22:32:53,423 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 148 transitions. [2023-11-23 22:32:53,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 22:32:53,425 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:53,426 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-11-23 22:32:53,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 22:32:53,426 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 22:32:53,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:53,427 INFO L85 PathProgramCache]: Analyzing trace with hash 727580048, now seen corresponding path program 1 times [2023-11-23 22:32:53,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:53,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623864242] [2023-11-23 22:32:53,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:53,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:53,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 22:32:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 22:32:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-23 22:32:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-23 22:32:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-23 22:32:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,604 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-23 22:32:53,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:53,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623864242] [2023-11-23 22:32:53,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623864242] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:53,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:32:53,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 22:32:53,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894200181] [2023-11-23 22:32:53,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:53,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 22:32:53,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:53,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 22:32:53,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:32:53,610 INFO L87 Difference]: Start difference. First operand 102 states and 148 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-23 22:32:53,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:53,662 INFO L93 Difference]: Finished difference Result 170 states and 241 transitions. [2023-11-23 22:32:53,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 22:32:53,663 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2023-11-23 22:32:53,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:53,665 INFO L225 Difference]: With dead ends: 170 [2023-11-23 22:32:53,665 INFO L226 Difference]: Without dead ends: 101 [2023-11-23 22:32:53,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 22:32:53,675 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:32:53,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 414 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:32:53,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-11-23 22:32:53,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2023-11-23 22:32:53,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 76 states have (on average 1.513157894736842) internal successors, (115), 84 states have internal predecessors, (115), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-23 22:32:53,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 145 transitions. [2023-11-23 22:32:53,696 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 145 transitions. Word has length 41 [2023-11-23 22:32:53,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:53,697 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 145 transitions. [2023-11-23 22:32:53,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-23 22:32:53,697 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 145 transitions. [2023-11-23 22:32:53,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 22:32:53,706 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:53,706 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-11-23 22:32:53,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 22:32:53,707 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 22:32:53,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:53,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1175033183, now seen corresponding path program 1 times [2023-11-23 22:32:53,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:53,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441771580] [2023-11-23 22:32:53,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:53,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 22:32:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 22:32:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 22:32:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-23 22:32:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 22:32:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:53,869 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 22:32:53,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:53,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441771580] [2023-11-23 22:32:53,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441771580] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 22:32:53,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37368629] [2023-11-23 22:32:53,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:53,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:32:53,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:53,877 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:32:53,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 22:32:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:54,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 22:32:54,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:32:54,100 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-23 22:32:54,101 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:32:54,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37368629] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:54,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 22:32:54,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-23 22:32:54,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933203490] [2023-11-23 22:32:54,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:54,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:32:54,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:54,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:32:54,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:54,106 INFO L87 Difference]: Start difference. First operand 101 states and 145 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-23 22:32:54,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:54,159 INFO L93 Difference]: Finished difference Result 147 states and 202 transitions. [2023-11-23 22:32:54,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:32:54,159 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2023-11-23 22:32:54,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:54,162 INFO L225 Difference]: With dead ends: 147 [2023-11-23 22:32:54,162 INFO L226 Difference]: Without dead ends: 110 [2023-11-23 22:32:54,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:54,170 INFO L413 NwaCegarLoop]: 137 mSDtfsCounter, 36 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:32:54,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 235 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:32:54,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-11-23 22:32:54,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 106. [2023-11-23 22:32:54,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 80 states have (on average 1.5) internal successors, (120), 88 states have internal predecessors, (120), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-23 22:32:54,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 152 transitions. [2023-11-23 22:32:54,204 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 152 transitions. Word has length 42 [2023-11-23 22:32:54,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:54,206 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 152 transitions. [2023-11-23 22:32:54,206 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-23 22:32:54,207 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 152 transitions. [2023-11-23 22:32:54,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 22:32:54,208 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:54,209 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-11-23 22:32:54,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 22:32:54,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:32:54,434 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 22:32:54,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:54,435 INFO L85 PathProgramCache]: Analyzing trace with hash 2066290551, now seen corresponding path program 1 times [2023-11-23 22:32:54,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:54,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198843659] [2023-11-23 22:32:54,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:54,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:54,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:54,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 22:32:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:54,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 22:32:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:54,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 22:32:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:54,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-23 22:32:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:54,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 22:32:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:54,571 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 22:32:54,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:54,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198843659] [2023-11-23 22:32:54,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198843659] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 22:32:54,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [650170737] [2023-11-23 22:32:54,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:54,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:32:54,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:54,573 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:32:54,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 22:32:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:54,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 22:32:54,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:32:54,747 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-23 22:32:54,748 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:32:54,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [650170737] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:54,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 22:32:54,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-23 22:32:54,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063925258] [2023-11-23 22:32:54,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:54,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:32:54,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:54,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:32:54,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:54,750 INFO L87 Difference]: Start difference. First operand 106 states and 152 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-23 22:32:54,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:54,801 INFO L93 Difference]: Finished difference Result 111 states and 158 transitions. [2023-11-23 22:32:54,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:32:54,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2023-11-23 22:32:54,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:54,806 INFO L225 Difference]: With dead ends: 111 [2023-11-23 22:32:54,806 INFO L226 Difference]: Without dead ends: 110 [2023-11-23 22:32:54,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:54,808 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 34 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:32:54,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 245 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:32:54,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-11-23 22:32:54,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 107. [2023-11-23 22:32:54,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 81 states have (on average 1.4938271604938271) internal successors, (121), 89 states have internal predecessors, (121), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-23 22:32:54,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 153 transitions. [2023-11-23 22:32:54,829 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 153 transitions. Word has length 43 [2023-11-23 22:32:54,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:54,830 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 153 transitions. [2023-11-23 22:32:54,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-23 22:32:54,830 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 153 transitions. [2023-11-23 22:32:54,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 22:32:54,832 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:54,832 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-11-23 22:32:54,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 22:32:55,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:32:55,046 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 22:32:55,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:55,047 INFO L85 PathProgramCache]: Analyzing trace with hash -362567520, now seen corresponding path program 1 times [2023-11-23 22:32:55,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:55,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558263054] [2023-11-23 22:32:55,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:55,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 22:32:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 22:32:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 22:32:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-23 22:32:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 22:32:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,168 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-23 22:32:55,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:55,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558263054] [2023-11-23 22:32:55,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558263054] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:55,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:32:55,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:32:55,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229653145] [2023-11-23 22:32:55,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:55,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:32:55,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:55,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:32:55,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:32:55,172 INFO L87 Difference]: Start difference. First operand 107 states and 153 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-23 22:32:55,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:55,209 INFO L93 Difference]: Finished difference Result 108 states and 154 transitions. [2023-11-23 22:32:55,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:32:55,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 48 [2023-11-23 22:32:55,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:55,212 INFO L225 Difference]: With dead ends: 108 [2023-11-23 22:32:55,212 INFO L226 Difference]: Without dead ends: 107 [2023-11-23 22:32:55,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:32:55,213 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 40 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 238 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 [2023-11-23 22:32:55,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 238 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:32:55,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-11-23 22:32:55,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 106. [2023-11-23 22:32:55,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 81 states have (on average 1.4814814814814814) internal successors, (120), 88 states have internal predecessors, (120), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-23 22:32:55,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 152 transitions. [2023-11-23 22:32:55,231 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 152 transitions. Word has length 48 [2023-11-23 22:32:55,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:55,233 INFO L495 AbstractCegarLoop]: Abstraction has 106 states and 152 transitions. [2023-11-23 22:32:55,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-23 22:32:55,234 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 152 transitions. [2023-11-23 22:32:55,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 22:32:55,236 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:55,236 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2023-11-23 22:32:55,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-23 22:32:55,237 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 22:32:55,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:55,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1645309014, now seen corresponding path program 1 times [2023-11-23 22:32:55,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:55,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844169696] [2023-11-23 22:32:55,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:55,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 22:32:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 22:32:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 22:32:55,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-23 22:32:55,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 22:32:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,399 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-23 22:32:55,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:55,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844169696] [2023-11-23 22:32:55,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [844169696] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:55,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:32:55,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:32:55,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866750992] [2023-11-23 22:32:55,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:55,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:32:55,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:55,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:32:55,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:32:55,403 INFO L87 Difference]: Start difference. First operand 106 states and 152 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-23 22:32:55,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:55,432 INFO L93 Difference]: Finished difference Result 106 states and 152 transitions. [2023-11-23 22:32:55,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:32:55,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 49 [2023-11-23 22:32:55,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:55,435 INFO L225 Difference]: With dead ends: 106 [2023-11-23 22:32:55,435 INFO L226 Difference]: Without dead ends: 105 [2023-11-23 22:32:55,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 22:32:55,437 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 37 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:32:55,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 226 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:32:55,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-11-23 22:32:55,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 103. [2023-11-23 22:32:55,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 79 states have (on average 1.481012658227848) internal successors, (117), 85 states have internal predecessors, (117), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-23 22:32:55,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 149 transitions. [2023-11-23 22:32:55,449 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 149 transitions. Word has length 49 [2023-11-23 22:32:55,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:55,450 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 149 transitions. [2023-11-23 22:32:55,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-23 22:32:55,450 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 149 transitions. [2023-11-23 22:32:55,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 22:32:55,451 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:55,451 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-11-23 22:32:55,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 22:32:55,452 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 22:32:55,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:55,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1617556099, now seen corresponding path program 1 times [2023-11-23 22:32:55,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:55,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081378407] [2023-11-23 22:32:55,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:55,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 22:32:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 22:32:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 22:32:55,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-23 22:32:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 22:32:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 22:32:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 22:32:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,604 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-23 22:32:55,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:55,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081378407] [2023-11-23 22:32:55,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081378407] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 22:32:55,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073919385] [2023-11-23 22:32:55,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:55,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:32:55,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:55,606 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:32:55,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 22:32:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:55,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 22:32:55,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:32:55,761 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 22:32:55,761 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:32:55,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073919385] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:55,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 22:32:55,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-23 22:32:55,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596510553] [2023-11-23 22:32:55,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:55,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:32:55,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:55,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:32:55,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:55,764 INFO L87 Difference]: Start difference. First operand 103 states and 149 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-23 22:32:55,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:55,785 INFO L93 Difference]: Finished difference Result 103 states and 149 transitions. [2023-11-23 22:32:55,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:32:55,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 52 [2023-11-23 22:32:55,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:55,788 INFO L225 Difference]: With dead ends: 103 [2023-11-23 22:32:55,788 INFO L226 Difference]: Without dead ends: 102 [2023-11-23 22:32:55,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:55,791 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 7 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 257 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 [2023-11-23 22:32:55,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 257 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:32:55,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-11-23 22:32:55,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2023-11-23 22:32:55,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 79 states have (on average 1.4683544303797469) internal successors, (116), 84 states have internal predecessors, (116), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-23 22:32:55,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 148 transitions. [2023-11-23 22:32:55,800 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 148 transitions. Word has length 52 [2023-11-23 22:32:55,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:55,801 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 148 transitions. [2023-11-23 22:32:55,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-23 22:32:55,801 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 148 transitions. [2023-11-23 22:32:55,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 22:32:55,803 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:55,805 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2023-11-23 22:32:55,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 22:32:56,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:32:56,020 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 22:32:56,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:56,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1395368757, now seen corresponding path program 1 times [2023-11-23 22:32:56,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:56,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384907537] [2023-11-23 22:32:56,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:56,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:56,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:56,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:56,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 22:32:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:56,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 22:32:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:56,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 22:32:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:56,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-23 22:32:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:56,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 22:32:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:56,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 22:32:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:56,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 22:32:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:56,157 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-23 22:32:56,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:56,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384907537] [2023-11-23 22:32:56,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384907537] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 22:32:56,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584041936] [2023-11-23 22:32:56,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:56,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:32:56,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:56,159 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:32:56,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 22:32:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:56,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 22:32:56,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:32:56,314 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-23 22:32:56,314 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:32:56,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584041936] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:56,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 22:32:56,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-23 22:32:56,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078237561] [2023-11-23 22:32:56,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:56,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:32:56,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:56,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:32:56,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:56,316 INFO L87 Difference]: Start difference. First operand 102 states and 148 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-23 22:32:56,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:56,340 INFO L93 Difference]: Finished difference Result 111 states and 160 transitions. [2023-11-23 22:32:56,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:32:56,341 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 53 [2023-11-23 22:32:56,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:56,342 INFO L225 Difference]: With dead ends: 111 [2023-11-23 22:32:56,342 INFO L226 Difference]: Without dead ends: 110 [2023-11-23 22:32:56,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:56,344 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 3 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:32:56,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 268 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:32:56,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-11-23 22:32:56,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 107. [2023-11-23 22:32:56,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 83 states have (on average 1.4578313253012047) internal successors, (121), 87 states have internal predecessors, (121), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 22:32:56,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2023-11-23 22:32:56,352 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 53 [2023-11-23 22:32:56,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:56,352 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2023-11-23 22:32:56,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-23 22:32:56,353 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2023-11-23 22:32:56,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 22:32:56,354 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:56,354 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 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] [2023-11-23 22:32:56,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-23 22:32:56,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:32:56,578 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 22:32:56,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:56,579 INFO L85 PathProgramCache]: Analyzing trace with hash 564653589, now seen corresponding path program 1 times [2023-11-23 22:32:56,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:56,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126151862] [2023-11-23 22:32:56,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:56,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:56,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:56,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 22:32:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:56,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 22:32:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:56,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 22:32:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:56,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-23 22:32:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:56,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 22:32:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:56,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 22:32:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:56,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 22:32:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:56,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-23 22:32:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:56,689 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-11-23 22:32:56,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:56,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126151862] [2023-11-23 22:32:56,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126151862] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 22:32:56,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1343933048] [2023-11-23 22:32:56,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:56,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:32:56,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:56,694 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:32:56,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 22:32:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:56,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 22:32:56,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:32:56,860 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-23 22:32:56,860 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:32:56,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1343933048] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:56,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 22:32:56,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-23 22:32:56,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686332236] [2023-11-23 22:32:56,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:56,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:32:56,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:56,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:32:56,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:56,866 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-23 22:32:56,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:56,891 INFO L93 Difference]: Finished difference Result 107 states and 155 transitions. [2023-11-23 22:32:56,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:32:56,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 58 [2023-11-23 22:32:56,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:56,898 INFO L225 Difference]: With dead ends: 107 [2023-11-23 22:32:56,898 INFO L226 Difference]: Without dead ends: 106 [2023-11-23 22:32:56,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:56,900 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 3 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 257 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 [2023-11-23 22:32:56,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 257 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:32:56,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-11-23 22:32:56,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 101. [2023-11-23 22:32:56,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 79 states have (on average 1.4556962025316456) internal successors, (115), 83 states have internal predecessors, (115), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-23 22:32:56,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 147 transitions. [2023-11-23 22:32:56,911 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 147 transitions. Word has length 58 [2023-11-23 22:32:56,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:56,912 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 147 transitions. [2023-11-23 22:32:56,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-23 22:32:56,912 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 147 transitions. [2023-11-23 22:32:56,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 22:32:56,913 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:56,913 INFO L195 NwaCegarLoop]: trace histogram [6, 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, 1, 1, 1, 1, 1, 1] [2023-11-23 22:32:56,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-23 22:32:57,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:32:57,134 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 22:32:57,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:57,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1560630488, now seen corresponding path program 1 times [2023-11-23 22:32:57,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:57,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334556196] [2023-11-23 22:32:57,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:57,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:57,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:57,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 22:32:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:57,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 22:32:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:57,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 22:32:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:57,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-23 22:32:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:57,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 22:32:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:57,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 22:32:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:57,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 22:32:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:57,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 22:32:57,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:57,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 22:32:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:57,262 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-23 22:32:57,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:57,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334556196] [2023-11-23 22:32:57,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334556196] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 22:32:57,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795926594] [2023-11-23 22:32:57,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:57,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:32:57,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:57,264 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:32:57,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-23 22:32:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:57,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 22:32:57,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:32:57,399 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 22:32:57,399 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:32:57,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795926594] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:57,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 22:32:57,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-23 22:32:57,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766385141] [2023-11-23 22:32:57,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:57,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:32:57,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:57,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:32:57,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:57,402 INFO L87 Difference]: Start difference. First operand 101 states and 147 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-23 22:32:57,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:57,426 INFO L93 Difference]: Finished difference Result 107 states and 154 transitions. [2023-11-23 22:32:57,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:32:57,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 63 [2023-11-23 22:32:57,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:57,428 INFO L225 Difference]: With dead ends: 107 [2023-11-23 22:32:57,428 INFO L226 Difference]: Without dead ends: 106 [2023-11-23 22:32:57,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:57,430 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 2 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:32:57,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 264 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:32:57,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-11-23 22:32:57,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 105. [2023-11-23 22:32:57,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 82 states have (on average 1.4390243902439024) internal successors, (118), 86 states have internal predecessors, (118), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-23 22:32:57,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 152 transitions. [2023-11-23 22:32:57,440 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 152 transitions. Word has length 63 [2023-11-23 22:32:57,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:57,441 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 152 transitions. [2023-11-23 22:32:57,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-23 22:32:57,441 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 152 transitions. [2023-11-23 22:32:57,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 22:32:57,443 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:57,443 INFO L195 NwaCegarLoop]: trace histogram [6, 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, 1, 1, 1, 1, 1, 1] [2023-11-23 22:32:57,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-23 22:32:57,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:32:57,658 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 22:32:57,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:57,659 INFO L85 PathProgramCache]: Analyzing trace with hash 959329446, now seen corresponding path program 1 times [2023-11-23 22:32:57,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:57,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584919433] [2023-11-23 22:32:57,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:57,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:57,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:57,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:57,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 22:32:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:57,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 22:32:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:57,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 22:32:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:57,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-23 22:32:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:57,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 22:32:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:57,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 22:32:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:57,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 22:32:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:57,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 22:32:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:57,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 22:32:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:57,761 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-23 22:32:57,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:57,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584919433] [2023-11-23 22:32:57,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584919433] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 22:32:57,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753917059] [2023-11-23 22:32:57,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:57,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:32:57,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:57,763 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:32:57,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-23 22:32:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:57,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 22:32:57,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:32:57,906 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 22:32:57,906 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:32:57,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753917059] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:57,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 22:32:57,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-23 22:32:57,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675187941] [2023-11-23 22:32:57,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:57,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:32:57,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:57,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:32:57,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:57,910 INFO L87 Difference]: Start difference. First operand 105 states and 152 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-23 22:32:57,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:57,929 INFO L93 Difference]: Finished difference Result 105 states and 152 transitions. [2023-11-23 22:32:57,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:32:57,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 63 [2023-11-23 22:32:57,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:57,931 INFO L225 Difference]: With dead ends: 105 [2023-11-23 22:32:57,931 INFO L226 Difference]: Without dead ends: 104 [2023-11-23 22:32:57,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:57,932 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 4 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:32:57,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 260 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:32:57,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-23 22:32:57,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 100. [2023-11-23 22:32:57,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 79 states have (on average 1.4430379746835442) internal successors, (114), 82 states have internal predecessors, (114), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-23 22:32:57,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 146 transitions. [2023-11-23 22:32:57,941 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 146 transitions. Word has length 63 [2023-11-23 22:32:57,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:57,942 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 146 transitions. [2023-11-23 22:32:57,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-23 22:32:57,942 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 146 transitions. [2023-11-23 22:32:57,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 22:32:57,943 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:32:57,944 INFO L195 NwaCegarLoop]: trace histogram [6, 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, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:32:57,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-23 22:32:58,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:32:58,166 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-23 22:32:58,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:32:58,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1134904575, now seen corresponding path program 1 times [2023-11-23 22:32:58,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:32:58,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381897398] [2023-11-23 22:32:58,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:58,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:32:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:58,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 22:32:58,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:58,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 22:32:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:58,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-23 22:32:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:58,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 22:32:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:58,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-23 22:32:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:58,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 22:32:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:58,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 22:32:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:58,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-23 22:32:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:58,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 22:32:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:58,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2023-11-23 22:32:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:58,270 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-23 22:32:58,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:32:58,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381897398] [2023-11-23 22:32:58,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381897398] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 22:32:58,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637577770] [2023-11-23 22:32:58,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:32:58,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 22:32:58,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:32:58,272 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 22:32:58,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-23 22:32:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:32:58,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 22:32:58,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:32:58,437 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-23 22:32:58,437 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:32:58,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1637577770] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:32:58,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 22:32:58,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-23 22:32:58,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974796576] [2023-11-23 22:32:58,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:32:58,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 22:32:58,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:32:58,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 22:32:58,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:58,441 INFO L87 Difference]: Start difference. First operand 100 states and 146 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-23 22:32:58,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:32:58,464 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2023-11-23 22:32:58,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 22:32:58,465 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 64 [2023-11-23 22:32:58,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:32:58,466 INFO L225 Difference]: With dead ends: 100 [2023-11-23 22:32:58,466 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 22:32:58,468 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-23 22:32:58,469 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 260 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 [2023-11-23 22:32:58,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 260 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:32:58,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 22:32:58,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 22:32:58,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2023-11-23 22:32:58,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 22:32:58,471 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2023-11-23 22:32:58,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:32:58,471 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 22:32:58,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-23 22:32:58,471 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 22:32:58,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 22:32:58,474 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-23 22:32:58,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-23 22:32:58,475 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-23 22:32:58,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-23 22:32:58,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-23 22:32:58,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-23 22:32:58,476 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-23 22:32:58,477 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-23 22:32:58,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-23 22:32:58,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-23 22:32:58,696 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 22:32:58,776 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-23 22:32:58,777 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-23 22:32:58,778 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-23 22:32:58,778 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-23 22:32:58,779 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1514 1517) the Hoare annotation is: true [2023-11-23 22:32:58,779 INFO L899 garLoopResultBuilder]: For program point globalReturnsFalseEXIT(lines 1514 1517) no Hoare annotation was computed. [2023-11-23 22:32:58,779 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-23 22:32:58,779 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-23 22:32:58,779 INFO L899 garLoopResultBuilder]: For program point L1554-18(line 1554) no Hoare annotation was computed. [2023-11-23 22:32:58,780 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1585) no Hoare annotation was computed. [2023-11-23 22:32:58,780 INFO L899 garLoopResultBuilder]: For program point L1554-20(line 1554) no Hoare annotation was computed. [2023-11-23 22:32:58,780 INFO L899 garLoopResultBuilder]: For program point L1554-22(line 1554) no Hoare annotation was computed. [2023-11-23 22:32:58,781 INFO L899 garLoopResultBuilder]: For program point L1554-23(line 1554) no Hoare annotation was computed. [2023-11-23 22:32:58,781 INFO L899 garLoopResultBuilder]: For program point L1554-25(line 1554) no Hoare annotation was computed. [2023-11-23 22:32:58,781 INFO L899 garLoopResultBuilder]: For program point L1554-27(line 1554) no Hoare annotation was computed. [2023-11-23 22:32:58,781 INFO L899 garLoopResultBuilder]: For program point L1554-29(line 1554) no Hoare annotation was computed. [2023-11-23 22:32:58,781 INFO L899 garLoopResultBuilder]: For program point L1554-30(line 1554) no Hoare annotation was computed. [2023-11-23 22:32:58,781 INFO L899 garLoopResultBuilder]: For program point L1622(line 1622) no Hoare annotation was computed. [2023-11-23 22:32:58,782 INFO L899 garLoopResultBuilder]: For program point L1622-1(lines 1622 1628) no Hoare annotation was computed. [2023-11-23 22:32:58,782 INFO L899 garLoopResultBuilder]: For program point L1556(line 1556) no Hoare annotation was computed. [2023-11-23 22:32:58,782 INFO L899 garLoopResultBuilder]: For program point L1556-1(lines 1556 1571) no Hoare annotation was computed. [2023-11-23 22:32:58,782 INFO L899 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2023-11-23 22:32:58,782 INFO L899 garLoopResultBuilder]: For program point L1573(lines 1573 1593) no Hoare annotation was computed. [2023-11-23 22:32:58,782 INFO L899 garLoopResultBuilder]: For program point L1606-1(lines 1606 1612) no Hoare annotation was computed. [2023-11-23 22:32:58,783 INFO L895 garLoopResultBuilder]: At program point L1590(line 1590) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G2_~data~1#1| 0) [2023-11-23 22:32:58,784 INFO L902 garLoopResultBuilder]: At program point L1640(line 1640) the Hoare annotation is: true [2023-11-23 22:32:58,784 INFO L899 garLoopResultBuilder]: For program point L1640-1(line 1640) no Hoare annotation was computed. [2023-11-23 22:32:58,784 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2023-11-23 22:32:58,784 INFO L899 garLoopResultBuilder]: For program point L1625(line 1625) no Hoare annotation was computed. [2023-11-23 22:32:58,784 INFO L899 garLoopResultBuilder]: For program point L1625-1(line 1625) no Hoare annotation was computed. [2023-11-23 22:32:58,784 INFO L902 garLoopResultBuilder]: At program point L1642(line 1642) the Hoare annotation is: true [2023-11-23 22:32:58,785 INFO L899 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2023-11-23 22:32:58,785 INFO L899 garLoopResultBuilder]: For program point L1642-1(line 1642) no Hoare annotation was computed. [2023-11-23 22:32:58,785 INFO L899 garLoopResultBuilder]: For program point L1609-1(line 1609) no Hoare annotation was computed. [2023-11-23 22:32:58,785 INFO L902 garLoopResultBuilder]: At program point L1626(line 1626) the Hoare annotation is: true [2023-11-23 22:32:58,785 INFO L899 garLoopResultBuilder]: For program point L1626-1(line 1626) no Hoare annotation was computed. [2023-11-23 22:32:58,786 INFO L895 garLoopResultBuilder]: At program point L1610(line 1610) the Hoare annotation is: (and (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2023-11-23 22:32:58,786 INFO L895 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: (= |ULTIMATE.start_goodB2G2_~data~1#1| 0) [2023-11-23 22:32:58,786 INFO L899 garLoopResultBuilder]: For program point L1610-1(line 1610) no Hoare annotation was computed. [2023-11-23 22:32:58,786 INFO L899 garLoopResultBuilder]: For program point L1577-1(line 1577) no Hoare annotation was computed. [2023-11-23 22:32:58,786 INFO L899 garLoopResultBuilder]: For program point L1577-2(lines 1577 1580) no Hoare annotation was computed. [2023-11-23 22:32:58,787 INFO L895 garLoopResultBuilder]: At program point L1577-4(lines 1577 1580) the Hoare annotation is: (< |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648) [2023-11-23 22:32:58,787 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 22:32:58,787 INFO L899 garLoopResultBuilder]: For program point L1594(lines 1594 1613) no Hoare annotation was computed. [2023-11-23 22:32:58,787 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1585) no Hoare annotation was computed. [2023-11-23 22:32:58,787 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1570) no Hoare annotation was computed. [2023-11-23 22:32:58,787 INFO L899 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2023-11-23 22:32:58,788 INFO L899 garLoopResultBuilder]: For program point L1579-1(line 1579) no Hoare annotation was computed. [2023-11-23 22:32:58,788 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1625) no Hoare annotation was computed. [2023-11-23 22:32:58,788 INFO L899 garLoopResultBuilder]: For program point L1579-3(line 1579) no Hoare annotation was computed. [2023-11-23 22:32:58,788 INFO L899 garLoopResultBuilder]: For program point L1579-5(line 1579) no Hoare annotation was computed. [2023-11-23 22:32:58,788 INFO L899 garLoopResultBuilder]: For program point L1579-7(line 1579) no Hoare annotation was computed. [2023-11-23 22:32:58,789 INFO L899 garLoopResultBuilder]: For program point L1579-8(line 1579) no Hoare annotation was computed. [2023-11-23 22:32:58,789 INFO L899 garLoopResultBuilder]: For program point L1579-10(line 1579) no Hoare annotation was computed. [2023-11-23 22:32:58,789 INFO L899 garLoopResultBuilder]: For program point L1579-12(line 1579) no Hoare annotation was computed. [2023-11-23 22:32:58,789 INFO L899 garLoopResultBuilder]: For program point L1579-14(line 1579) no Hoare annotation was computed. [2023-11-23 22:32:58,789 INFO L899 garLoopResultBuilder]: For program point L1579-16(line 1579) no Hoare annotation was computed. [2023-11-23 22:32:58,789 INFO L899 garLoopResultBuilder]: For program point L1579-18(line 1579) no Hoare annotation was computed. [2023-11-23 22:32:58,790 INFO L899 garLoopResultBuilder]: For program point L1579-20(line 1579) no Hoare annotation was computed. [2023-11-23 22:32:58,790 INFO L899 garLoopResultBuilder]: For program point L1579-22(line 1579) no Hoare annotation was computed. [2023-11-23 22:32:58,790 INFO L899 garLoopResultBuilder]: For program point L1579-23(line 1579) no Hoare annotation was computed. [2023-11-23 22:32:58,790 INFO L899 garLoopResultBuilder]: For program point L1579-25(line 1579) no Hoare annotation was computed. [2023-11-23 22:32:58,791 INFO L899 garLoopResultBuilder]: For program point L1579-27(line 1579) no Hoare annotation was computed. [2023-11-23 22:32:58,792 INFO L899 garLoopResultBuilder]: For program point L1579-29(line 1579) no Hoare annotation was computed. [2023-11-23 22:32:58,792 INFO L899 garLoopResultBuilder]: For program point L1579-30(line 1579) no Hoare annotation was computed. [2023-11-23 22:32:58,793 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1625) no Hoare annotation was computed. [2023-11-23 22:32:58,793 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-23 22:32:58,793 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2023-11-23 22:32:58,793 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2023-11-23 22:32:58,793 INFO L899 garLoopResultBuilder]: For program point L1614(lines 1614 1629) no Hoare annotation was computed. [2023-11-23 22:32:58,794 INFO L899 garLoopResultBuilder]: For program point L1581(line 1581) no Hoare annotation was computed. [2023-11-23 22:32:58,794 INFO L899 garLoopResultBuilder]: For program point L1581-1(lines 1581 1592) no Hoare annotation was computed. [2023-11-23 22:32:58,794 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-23 22:32:58,794 INFO L895 garLoopResultBuilder]: At program point L1598(line 1598) the Hoare annotation is: (and (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2023-11-23 22:32:58,795 INFO L895 garLoopResultBuilder]: At program point L1565(line 1565) the Hoare annotation is: (and (<= 0 (+ 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|)) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647)) [2023-11-23 22:32:58,798 INFO L899 garLoopResultBuilder]: For program point L1598-1(line 1598) no Hoare annotation was computed. [2023-11-23 22:32:58,798 INFO L899 garLoopResultBuilder]: For program point L1565-1(line 1565) no Hoare annotation was computed. [2023-11-23 22:32:58,798 INFO L899 garLoopResultBuilder]: For program point L1598-2(lines 1598 1605) no Hoare annotation was computed. [2023-11-23 22:32:58,798 INFO L895 garLoopResultBuilder]: At program point L1598-3(lines 1598 1605) the Hoare annotation is: (and (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2023-11-23 22:32:58,799 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 22:32:58,799 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 1591) no Hoare annotation was computed. [2023-11-23 22:32:58,799 INFO L895 garLoopResultBuilder]: At program point L1600(line 1600) the Hoare annotation is: (and (<= |ULTIMATE.start_goodG2B1_~data~2#1| 0) (<= 0 (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|))) [2023-11-23 22:32:58,799 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1609) no Hoare annotation was computed. [2023-11-23 22:32:58,799 INFO L895 garLoopResultBuilder]: At program point L1618(line 1618) the Hoare annotation is: (= |ULTIMATE.start_goodG2B2_~data~3#1| 0) [2023-11-23 22:32:58,800 INFO L899 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2023-11-23 22:32:58,800 INFO L899 garLoopResultBuilder]: For program point L1618-1(line 1618) no Hoare annotation was computed. [2023-11-23 22:32:58,800 INFO L895 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: (and (<= 0 (+ 2147483647 |ULTIMATE.start_goodB2G1_~data~0#1|)) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647)) [2023-11-23 22:32:58,800 INFO L899 garLoopResultBuilder]: For program point L1585-1(line 1585) no Hoare annotation was computed. [2023-11-23 22:32:58,800 INFO L899 garLoopResultBuilder]: For program point L1618-2(lines 1618 1621) no Hoare annotation was computed. [2023-11-23 22:32:58,800 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2023-11-23 22:32:58,801 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1552 1555) no Hoare annotation was computed. [2023-11-23 22:32:58,801 INFO L895 garLoopResultBuilder]: At program point L1618-4(lines 1618 1621) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodG2B2_~data~3#1| 2)) (<= |ULTIMATE.start_goodG2B2_~data~3#1| 0)) [2023-11-23 22:32:58,801 INFO L895 garLoopResultBuilder]: At program point L1552-4(lines 1552 1555) the Hoare annotation is: (< |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648) [2023-11-23 22:32:58,801 INFO L895 garLoopResultBuilder]: At program point L1569(line 1569) the Hoare annotation is: (< |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648) [2023-11-23 22:32:58,801 INFO L899 garLoopResultBuilder]: For program point L1569-1(lines 1548 1572) no Hoare annotation was computed. [2023-11-23 22:32:58,802 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1609) no Hoare annotation was computed. [2023-11-23 22:32:58,802 INFO L895 garLoopResultBuilder]: At program point L1586(line 1586) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2023-11-23 22:32:58,802 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2023-11-23 22:32:58,802 INFO L899 garLoopResultBuilder]: For program point L1554(line 1554) no Hoare annotation was computed. [2023-11-23 22:32:58,802 INFO L899 garLoopResultBuilder]: For program point L1554-1(line 1554) no Hoare annotation was computed. [2023-11-23 22:32:58,803 INFO L899 garLoopResultBuilder]: For program point L1554-3(line 1554) no Hoare annotation was computed. [2023-11-23 22:32:58,803 INFO L899 garLoopResultBuilder]: For program point L1554-5(line 1554) no Hoare annotation was computed. [2023-11-23 22:32:58,803 INFO L899 garLoopResultBuilder]: For program point L1554-7(line 1554) no Hoare annotation was computed. [2023-11-23 22:32:58,803 INFO L899 garLoopResultBuilder]: For program point L1554-8(line 1554) no Hoare annotation was computed. [2023-11-23 22:32:58,803 INFO L899 garLoopResultBuilder]: For program point L1554-10(line 1554) no Hoare annotation was computed. [2023-11-23 22:32:58,803 INFO L899 garLoopResultBuilder]: For program point L1554-12(line 1554) no Hoare annotation was computed. [2023-11-23 22:32:58,803 INFO L899 garLoopResultBuilder]: For program point L1554-14(line 1554) no Hoare annotation was computed. [2023-11-23 22:32:58,804 INFO L899 garLoopResultBuilder]: For program point L1554-16(line 1554) no Hoare annotation was computed. [2023-11-23 22:32:58,804 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1510 1513) the Hoare annotation is: true [2023-11-23 22:32:58,804 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueEXIT(lines 1510 1513) no Hoare annotation was computed. [2023-11-23 22:32:58,809 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:32:58,812 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 22:32:58,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:32:58 BoogieIcfgContainer [2023-11-23 22:32:58,818 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 22:32:58,819 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 22:32:58,819 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 22:32:58,819 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 22:32:58,820 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:32:51" (3/4) ... [2023-11-23 22:32:58,822 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 22:32:58,827 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-23 22:32:58,827 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsFalse [2023-11-23 22:32:58,827 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-23 22:32:58,828 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrue [2023-11-23 22:32:58,837 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-23 22:32:58,837 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-23 22:32:58,838 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 22:32:58,839 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 22:32:58,967 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/witness.graphml [2023-11-23 22:32:58,968 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/witness.yml [2023-11-23 22:32:58,968 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 22:32:58,969 INFO L158 Benchmark]: Toolchain (without parser) took 9646.76ms. Allocated memory was 172.0MB in the beginning and 218.1MB in the end (delta: 46.1MB). Free memory was 128.0MB in the beginning and 115.9MB in the end (delta: 12.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-23 22:32:58,969 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 172.0MB. Free memory is still 141.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:32:58,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1740.70ms. Allocated memory was 172.0MB in the beginning and 218.1MB in the end (delta: 46.1MB). Free memory was 128.0MB in the beginning and 174.8MB in the end (delta: -46.8MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. [2023-11-23 22:32:58,970 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.49ms. Allocated memory is still 218.1MB. Free memory was 174.8MB in the beginning and 171.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 22:32:58,971 INFO L158 Benchmark]: Boogie Preprocessor took 60.33ms. Allocated memory is still 218.1MB. Free memory was 171.7MB in the beginning and 168.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 22:32:58,971 INFO L158 Benchmark]: RCFGBuilder took 723.42ms. Allocated memory is still 218.1MB. Free memory was 168.6MB in the beginning and 143.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 22:32:58,972 INFO L158 Benchmark]: TraceAbstraction took 6865.33ms. Allocated memory is still 218.1MB. Free memory was 143.4MB in the beginning and 123.2MB in the end (delta: 20.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2023-11-23 22:32:58,972 INFO L158 Benchmark]: Witness Printer took 149.34ms. Allocated memory is still 218.1MB. Free memory was 123.2MB in the beginning and 115.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 22:32:58,975 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 172.0MB. Free memory is still 141.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1740.70ms. Allocated memory was 172.0MB in the beginning and 218.1MB in the end (delta: 46.1MB). Free memory was 128.0MB in the beginning and 174.8MB in the end (delta: -46.8MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.49ms. Allocated memory is still 218.1MB. Free memory was 174.8MB in the beginning and 171.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.33ms. Allocated memory is still 218.1MB. Free memory was 171.7MB in the beginning and 168.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 723.42ms. Allocated memory is still 218.1MB. Free memory was 168.6MB in the beginning and 143.4MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 6865.33ms. Allocated memory is still 218.1MB. Free memory was 143.4MB in the beginning and 123.2MB in the end (delta: 20.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * Witness Printer took 149.34ms. Allocated memory is still 218.1MB. Free memory was 123.2MB in the beginning and 115.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * 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 - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 110 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 6.8s, OverallIterations: 14, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 259 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 238 mSDsluCounter, 3854 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1912 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 205 IncrementalHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 1942 mSDtfsCounter, 205 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 656 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred in iteration=0, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 24 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 70 PreInvPairs, 86 NumberOfFragments, 98 HoareAnnotationTreeSize, 70 FomulaSimplifications, 72 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1084 NumberOfCodeBlocks, 1084 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1062 ConstructedInterpolants, 0 QuantifiedInterpolants, 1288 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1509 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 22 InterpolantComputations, 14 PerfectInterpolantSequences, 390/410 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-23 22:32:59,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3883f46-f374-4860-974a-1119ff7e8a32/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE