./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5c9842033dff9299e1f2c3536eca5d9c3861e24e2a5442ff6775872586d4a96a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:14:40,788 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:14:40,874 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-06 22:14:40,887 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:14:40,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:14:40,945 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:14:40,946 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:14:40,947 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:14:40,948 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:14:40,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:14:40,955 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:14:40,956 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:14:40,956 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:14:40,958 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:14:40,959 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:14:40,960 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:14:40,960 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:14:40,961 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:14:40,961 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:14:40,962 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:14:40,962 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:14:40,963 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:14:40,964 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:14:40,964 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:14:40,965 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:14:40,966 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:14:40,967 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:14:40,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:14:40,968 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:14:40,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:14:40,970 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:14:40,970 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:14:40,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:14:40,971 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:14:40,971 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:14:40,972 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:14:40,972 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:14:40,973 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:14:40,973 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_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c9842033dff9299e1f2c3536eca5d9c3861e24e2a5442ff6775872586d4a96a [2023-11-06 22:14:41,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:14:41,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:14:41,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:14:41,376 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:14:41,377 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:14:41,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i [2023-11-06 22:14:44,730 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:14:45,433 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:14:45,434 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/sv-benchmarks/c/busybox-1.22.0/ls-incomplete-2.i [2023-11-06 22:14:45,495 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/data/c4cb7e62d/eb076507d7ef458fbee07e883365e76a/FLAG07ec13055 [2023-11-06 22:14:45,516 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/data/c4cb7e62d/eb076507d7ef458fbee07e883365e76a [2023-11-06 22:14:45,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:14:45,529 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:14:45,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:14:45,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:14:45,543 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:14:45,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:14:45" (1/1) ... [2023-11-06 22:14:45,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6738ca24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:45, skipping insertion in model container [2023-11-06 22:14:45,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:14:45" (1/1) ... [2023-11-06 22:14:45,728 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:14:48,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:14:48,786 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:14:49,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:14:49,546 WARN L672 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:14:49,546 WARN L672 CHandler]: The function x2x_utoa is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:14:49,546 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:14:49,546 WARN L672 CHandler]: The function strerror is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:14:49,546 WARN L672 CHandler]: The function strncmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:14:49,547 WARN L672 CHandler]: The function strstr is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:14:49,547 WARN L672 CHandler]: The function strrchr is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:14:49,547 WARN L672 CHandler]: The function putchar is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:14:49,547 WARN L672 CHandler]: The function strncpy is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:14:49,547 WARN L672 CHandler]: The function longjmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:14:49,547 WARN L672 CHandler]: The function fputs is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:14:49,547 WARN L672 CHandler]: The function strtoul is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:14:49,547 WARN L672 CHandler]: The function ctime is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:14:49,548 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:14:49,557 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:14:49,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:49 WrapperNode [2023-11-06 22:14:49,558 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:14:49,559 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:14:49,559 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:14:49,560 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:14:49,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:49" (1/1) ... [2023-11-06 22:14:49,675 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:49" (1/1) ... [2023-11-06 22:14:49,845 INFO L138 Inliner]: procedures = 743, calls = 1281, calls flagged for inlining = 67, calls inlined = 65, statements flattened = 4660 [2023-11-06 22:14:49,845 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:14:49,846 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:14:49,846 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:14:49,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:14:49,858 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:49" (1/1) ... [2023-11-06 22:14:49,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:49" (1/1) ... [2023-11-06 22:14:49,887 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:49" (1/1) ... [2023-11-06 22:14:49,887 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:49" (1/1) ... [2023-11-06 22:14:49,991 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:49" (1/1) ... [2023-11-06 22:14:50,028 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:49" (1/1) ... [2023-11-06 22:14:50,068 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:49" (1/1) ... [2023-11-06 22:14:50,101 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:49" (1/1) ... [2023-11-06 22:14:50,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:14:50,147 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:14:50,148 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:14:50,148 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:14:50,149 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:49" (1/1) ... [2023-11-06 22:14:50,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:14:50,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:50,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:14:50,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:14:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2023-11-06 22:14:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2023-11-06 22:14:50,249 INFO L130 BoogieDeclarations]: Found specification of procedure ctime [2023-11-06 22:14:50,251 INFO L130 BoogieDeclarations]: Found specification of procedure get_cached [2023-11-06 22:14:50,252 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cached [2023-11-06 22:14:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc [2023-11-06 22:14:50,252 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc [2023-11-06 22:14:50,252 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2023-11-06 22:14:50,252 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2023-11-06 22:14:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure utoa [2023-11-06 22:14:50,253 INFO L138 BoogieDeclarations]: Found implementation of procedure utoa [2023-11-06 22:14:50,253 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-06 22:14:50,254 INFO L130 BoogieDeclarations]: Found specification of procedure print_name [2023-11-06 22:14:50,254 INFO L138 BoogieDeclarations]: Found implementation of procedure print_name [2023-11-06 22:14:50,255 INFO L130 BoogieDeclarations]: Found specification of procedure xrealloc [2023-11-06 22:14:50,255 INFO L138 BoogieDeclarations]: Found implementation of procedure xrealloc [2023-11-06 22:14:50,255 INFO L130 BoogieDeclarations]: Found specification of procedure strerror [2023-11-06 22:14:50,255 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2023-11-06 22:14:50,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:14:50,257 INFO L130 BoogieDeclarations]: Found specification of procedure xzalloc [2023-11-06 22:14:50,257 INFO L138 BoogieDeclarations]: Found implementation of procedure xzalloc [2023-11-06 22:14:50,257 INFO L130 BoogieDeclarations]: Found specification of procedure count_dirs [2023-11-06 22:14:50,258 INFO L138 BoogieDeclarations]: Found implementation of procedure count_dirs [2023-11-06 22:14:50,258 INFO L130 BoogieDeclarations]: Found specification of procedure my_stat [2023-11-06 22:14:50,259 INFO L138 BoogieDeclarations]: Found implementation of procedure my_stat [2023-11-06 22:14:50,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-06 22:14:50,259 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2023-11-06 22:14:50,259 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2023-11-06 22:14:50,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-06 22:14:50,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:14:50,260 INFO L130 BoogieDeclarations]: Found specification of procedure dfree [2023-11-06 22:14:50,260 INFO L138 BoogieDeclarations]: Found implementation of procedure dfree [2023-11-06 22:14:50,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:14:50,260 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2023-11-06 22:14:50,261 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-11-06 22:14:50,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:14:50,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:14:50,261 INFO L130 BoogieDeclarations]: Found specification of procedure dnsort [2023-11-06 22:14:50,261 INFO L138 BoogieDeclarations]: Found implementation of procedure dnsort [2023-11-06 22:14:50,262 INFO L130 BoogieDeclarations]: Found specification of procedure printable_string [2023-11-06 22:14:50,262 INFO L138 BoogieDeclarations]: Found implementation of procedure printable_string [2023-11-06 22:14:50,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:14:50,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:14:50,262 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-06 22:14:50,263 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-06 22:14:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2023-11-06 22:14:50,263 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2023-11-06 22:14:50,263 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2023-11-06 22:14:50,263 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2023-11-06 22:14:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-06 22:14:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-06 22:14:50,264 INFO L130 BoogieDeclarations]: Found specification of procedure bb_simple_perror_msg [2023-11-06 22:14:50,264 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_simple_perror_msg [2023-11-06 22:14:50,265 INFO L130 BoogieDeclarations]: Found specification of procedure get_cached_groupname [2023-11-06 22:14:50,265 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cached_groupname [2023-11-06 22:14:50,266 INFO L130 BoogieDeclarations]: Found specification of procedure sort_and_display_files [2023-11-06 22:14:50,267 INFO L138 BoogieDeclarations]: Found implementation of procedure sort_and_display_files [2023-11-06 22:14:50,268 INFO L130 BoogieDeclarations]: Found specification of procedure stat [2023-11-06 22:14:50,268 INFO L138 BoogieDeclarations]: Found implementation of procedure stat [2023-11-06 22:14:50,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-06 22:14:50,269 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-06 22:14:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure fgcolor [2023-11-06 22:14:50,270 INFO L138 BoogieDeclarations]: Found implementation of procedure fgcolor [2023-11-06 22:14:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:14:50,270 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:14:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:14:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure splitdnarray [2023-11-06 22:14:50,271 INFO L138 BoogieDeclarations]: Found implementation of procedure splitdnarray [2023-11-06 22:14:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:14:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure bold [2023-11-06 22:14:50,272 INFO L138 BoogieDeclarations]: Found implementation of procedure bold [2023-11-06 22:14:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:14:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure append_char [2023-11-06 22:14:50,273 INFO L138 BoogieDeclarations]: Found implementation of procedure append_char [2023-11-06 22:14:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure scan_and_display_dirs_recur [2023-11-06 22:14:50,273 INFO L138 BoogieDeclarations]: Found implementation of procedure scan_and_display_dirs_recur [2023-11-06 22:14:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure lstat [2023-11-06 22:14:50,273 INFO L138 BoogieDeclarations]: Found implementation of procedure lstat [2023-11-06 22:14:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-06 22:14:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure wh_helper [2023-11-06 22:14:50,275 INFO L138 BoogieDeclarations]: Found implementation of procedure wh_helper [2023-11-06 22:14:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:14:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg [2023-11-06 22:14:50,276 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg [2023-11-06 22:14:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2023-11-06 22:14:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure isatty [2023-11-06 22:14:50,277 INFO L138 BoogieDeclarations]: Found implementation of procedure isatty [2023-11-06 22:14:50,277 INFO L130 BoogieDeclarations]: Found specification of procedure dnalloc [2023-11-06 22:14:50,278 INFO L138 BoogieDeclarations]: Found implementation of procedure dnalloc [2023-11-06 22:14:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-11-06 22:14:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2023-11-06 22:14:50,278 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2023-11-06 22:14:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:14:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2023-11-06 22:14:51,178 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:14:51,181 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:14:57,316 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:14:57,346 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:14:57,347 INFO L302 CfgBuilder]: Removed 65 assume(true) statements. [2023-11-06 22:14:57,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:14:57 BoogieIcfgContainer [2023-11-06 22:14:57,352 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:14:57,357 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:14:57,357 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:14:57,361 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:14:57,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:14:45" (1/3) ... [2023-11-06 22:14:57,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41675741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:14:57, skipping insertion in model container [2023-11-06 22:14:57,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:14:49" (2/3) ... [2023-11-06 22:14:57,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41675741 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:14:57, skipping insertion in model container [2023-11-06 22:14:57,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:14:57" (3/3) ... [2023-11-06 22:14:57,370 INFO L112 eAbstractionObserver]: Analyzing ICFG ls-incomplete-2.i [2023-11-06 22:14:57,393 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:14:57,393 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 127 error locations. [2023-11-06 22:14:57,512 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:14:57,522 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4277f59c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:14:57,523 INFO L358 AbstractCegarLoop]: Starting to check reachability of 127 error locations. [2023-11-06 22:14:57,537 INFO L276 IsEmpty]: Start isEmpty. Operand has 1491 states, 1228 states have (on average 1.6604234527687296) internal successors, (2039), 1364 states have internal predecessors, (2039), 103 states have call successors, (103), 33 states have call predecessors, (103), 33 states have return successors, (103), 102 states have call predecessors, (103), 103 states have call successors, (103) [2023-11-06 22:14:57,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-06 22:14:57,552 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:14:57,553 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-06 22:14:57,556 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:14:57,564 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:57,564 INFO L85 PathProgramCache]: Analyzing trace with hash 86659205, now seen corresponding path program 1 times [2023-11-06 22:14:57,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:57,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016240993] [2023-11-06 22:14:57,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:57,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:58,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:14:58,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:14:58,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016240993] [2023-11-06 22:14:58,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016240993] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:14:58,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:14:58,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:14:58,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950960254] [2023-11-06 22:14:58,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:14:58,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:14:58,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:14:58,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:14:58,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:14:58,398 INFO L87 Difference]: Start difference. First operand has 1491 states, 1228 states have (on average 1.6604234527687296) internal successors, (2039), 1364 states have internal predecessors, (2039), 103 states have call successors, (103), 33 states have call predecessors, (103), 33 states have return successors, (103), 102 states have call predecessors, (103), 103 states have call successors, (103) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:14:58,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:14:58,723 INFO L93 Difference]: Finished difference Result 2922 states and 4494 transitions. [2023-11-06 22:14:58,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:14:58,726 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-06 22:14:58,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:14:58,762 INFO L225 Difference]: With dead ends: 2922 [2023-11-06 22:14:58,762 INFO L226 Difference]: Without dead ends: 1427 [2023-11-06 22:14:58,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:14:58,790 INFO L413 NwaCegarLoop]: 2057 mSDtfsCounter, 1 mSDsluCounter, 2051 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4108 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:14:58,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4108 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:14:58,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1427 states. [2023-11-06 22:14:58,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1427 to 1427. [2023-11-06 22:14:58,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1427 states, 1187 states have (on average 1.5728727885425442) internal successors, (1867), 1309 states have internal predecessors, (1867), 96 states have call successors, (96), 32 states have call predecessors, (96), 31 states have return successors, (89), 88 states have call predecessors, (89), 89 states have call successors, (89) [2023-11-06 22:14:59,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1427 states and 2052 transitions. [2023-11-06 22:14:59,023 INFO L78 Accepts]: Start accepts. Automaton has 1427 states and 2052 transitions. Word has length 4 [2023-11-06 22:14:59,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:14:59,025 INFO L495 AbstractCegarLoop]: Abstraction has 1427 states and 2052 transitions. [2023-11-06 22:14:59,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:14:59,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 2052 transitions. [2023-11-06 22:14:59,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-06 22:14:59,032 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:14:59,032 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2023-11-06 22:14:59,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:14:59,037 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:14:59,038 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:14:59,038 INFO L85 PathProgramCache]: Analyzing trace with hash 391841292, now seen corresponding path program 1 times [2023-11-06 22:14:59,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:14:59,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426195051] [2023-11-06 22:14:59,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:59,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:14:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:14:59,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:14:59,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:14:59,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426195051] [2023-11-06 22:14:59,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426195051] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:14:59,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662906447] [2023-11-06 22:14:59,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:14:59,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:14:59,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:14:59,388 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:14:59,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:15:00,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:00,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 1073 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:15:00,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:00,223 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:15:00,224 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:00,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662906447] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:00,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:15:00,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-11-06 22:15:00,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755239774] [2023-11-06 22:15:00,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:00,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:15:00,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:00,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:15:00,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:15:00,229 INFO L87 Difference]: Start difference. First operand 1427 states and 2052 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:15:00,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:00,358 INFO L93 Difference]: Finished difference Result 1427 states and 2052 transitions. [2023-11-06 22:15:00,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:15:00,359 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-06 22:15:00,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:00,376 INFO L225 Difference]: With dead ends: 1427 [2023-11-06 22:15:00,376 INFO L226 Difference]: Without dead ends: 1426 [2023-11-06 22:15:00,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:15:00,380 INFO L413 NwaCegarLoop]: 2043 mSDtfsCounter, 3 mSDsluCounter, 4082 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6125 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:00,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6125 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:15:00,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2023-11-06 22:15:00,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1426. [2023-11-06 22:15:00,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1187 states have (on average 1.5720303285593935) internal successors, (1866), 1308 states have internal predecessors, (1866), 96 states have call successors, (96), 32 states have call predecessors, (96), 31 states have return successors, (89), 88 states have call predecessors, (89), 89 states have call successors, (89) [2023-11-06 22:15:00,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2051 transitions. [2023-11-06 22:15:00,462 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2051 transitions. Word has length 7 [2023-11-06 22:15:00,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:00,463 INFO L495 AbstractCegarLoop]: Abstraction has 1426 states and 2051 transitions. [2023-11-06 22:15:00,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:15:00,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2051 transitions. [2023-11-06 22:15:00,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-06 22:15:00,464 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:00,464 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2023-11-06 22:15:00,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:00,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-06 22:15:00,681 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:15:00,681 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:00,681 INFO L85 PathProgramCache]: Analyzing trace with hash -737819006, now seen corresponding path program 1 times [2023-11-06 22:15:00,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:00,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031962300] [2023-11-06 22:15:00,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:00,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:00,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:15:00,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:00,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031962300] [2023-11-06 22:15:00,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031962300] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:00,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:00,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:15:00,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936417354] [2023-11-06 22:15:00,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:00,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:15:00,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:00,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:15:00,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:15:00,926 INFO L87 Difference]: Start difference. First operand 1426 states and 2051 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:15:01,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:01,000 INFO L93 Difference]: Finished difference Result 1426 states and 2051 transitions. [2023-11-06 22:15:01,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:15:01,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-06 22:15:01,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:01,011 INFO L225 Difference]: With dead ends: 1426 [2023-11-06 22:15:01,011 INFO L226 Difference]: Without dead ends: 1425 [2023-11-06 22:15:01,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:15:01,014 INFO L413 NwaCegarLoop]: 2044 mSDtfsCounter, 0 mSDsluCounter, 2041 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4085 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:01,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4085 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:15:01,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1425 states. [2023-11-06 22:15:01,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1425 to 1423. [2023-11-06 22:15:01,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1423 states, 1185 states have (on average 1.5721518987341772) internal successors, (1863), 1305 states have internal predecessors, (1863), 96 states have call successors, (96), 32 states have call predecessors, (96), 31 states have return successors, (89), 88 states have call predecessors, (89), 89 states have call successors, (89) [2023-11-06 22:15:01,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 1423 states and 2048 transitions. [2023-11-06 22:15:01,104 INFO L78 Accepts]: Start accepts. Automaton has 1423 states and 2048 transitions. Word has length 8 [2023-11-06 22:15:01,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:01,104 INFO L495 AbstractCegarLoop]: Abstraction has 1423 states and 2048 transitions. [2023-11-06 22:15:01,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:15:01,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 2048 transitions. [2023-11-06 22:15:01,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-06 22:15:01,105 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:01,106 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:01,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:15:01,106 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:15:01,107 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:01,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1279268344, now seen corresponding path program 1 times [2023-11-06 22:15:01,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:01,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558386156] [2023-11-06 22:15:01,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:01,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:01,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:01,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 22:15:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:01,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:15:01,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:01,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558386156] [2023-11-06 22:15:01,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558386156] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:15:01,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858583530] [2023-11-06 22:15:01,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:01,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:01,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:01,489 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:01,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:15:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:02,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 1090 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:15:02,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:02,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:15:02,236 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:02,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858583530] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:02,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:15:02,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-06 22:15:02,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344237948] [2023-11-06 22:15:02,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:02,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:15:02,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:02,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:15:02,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:15:02,240 INFO L87 Difference]: Start difference. First operand 1423 states and 2048 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:15:02,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:02,343 INFO L93 Difference]: Finished difference Result 1423 states and 2048 transitions. [2023-11-06 22:15:02,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:15:02,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2023-11-06 22:15:02,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:02,355 INFO L225 Difference]: With dead ends: 1423 [2023-11-06 22:15:02,356 INFO L226 Difference]: Without dead ends: 1421 [2023-11-06 22:15:02,357 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:15:02,358 INFO L413 NwaCegarLoop]: 2035 mSDtfsCounter, 713 mSDsluCounter, 1306 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 736 SdHoareTripleChecker+Valid, 3341 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:02,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [736 Valid, 3341 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:15:02,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1421 states. [2023-11-06 22:15:02,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1421 to 1421. [2023-11-06 22:15:02,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1421 states, 1185 states have (on average 1.570464135021097) internal successors, (1861), 1303 states have internal predecessors, (1861), 96 states have call successors, (96), 32 states have call predecessors, (96), 31 states have return successors, (89), 88 states have call predecessors, (89), 89 states have call successors, (89) [2023-11-06 22:15:02,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 1421 states and 2046 transitions. [2023-11-06 22:15:02,427 INFO L78 Accepts]: Start accepts. Automaton has 1421 states and 2046 transitions. Word has length 13 [2023-11-06 22:15:02,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:02,429 INFO L495 AbstractCegarLoop]: Abstraction has 1421 states and 2046 transitions. [2023-11-06 22:15:02,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:15:02,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1421 states and 2046 transitions. [2023-11-06 22:15:02,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-06 22:15:02,430 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:02,430 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:02,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:02,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:02,640 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:15:02,640 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:02,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1002610161, now seen corresponding path program 1 times [2023-11-06 22:15:02,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:02,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468595379] [2023-11-06 22:15:02,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:02,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:02,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-06 22:15:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:02,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:15:02,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:02,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468595379] [2023-11-06 22:15:02,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468595379] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:15:02,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301784029] [2023-11-06 22:15:02,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:02,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:02,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:02,909 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:02,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:15:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:03,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 1091 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:15:03,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:03,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:15:03,615 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:15:03,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:15:03,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301784029] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:15:03,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:15:03,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-06 22:15:03,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067435087] [2023-11-06 22:15:03,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:15:03,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:15:03,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:03,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:15:03,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:15:03,655 INFO L87 Difference]: Start difference. First operand 1421 states and 2046 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:15:03,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:03,809 INFO L93 Difference]: Finished difference Result 2845 states and 4097 transitions. [2023-11-06 22:15:03,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:15:03,810 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2023-11-06 22:15:03,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:03,821 INFO L225 Difference]: With dead ends: 2845 [2023-11-06 22:15:03,821 INFO L226 Difference]: Without dead ends: 1430 [2023-11-06 22:15:03,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:15:03,829 INFO L413 NwaCegarLoop]: 2042 mSDtfsCounter, 4 mSDsluCounter, 4078 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 6120 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:03,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 6120 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:15:03,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1430 states. [2023-11-06 22:15:03,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1430 to 1430. [2023-11-06 22:15:03,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1430 states, 1194 states have (on average 1.5661641541038527) internal successors, (1870), 1312 states have internal predecessors, (1870), 96 states have call successors, (96), 32 states have call predecessors, (96), 31 states have return successors, (89), 88 states have call predecessors, (89), 89 states have call successors, (89) [2023-11-06 22:15:03,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1430 states and 2055 transitions. [2023-11-06 22:15:03,903 INFO L78 Accepts]: Start accepts. Automaton has 1430 states and 2055 transitions. Word has length 14 [2023-11-06 22:15:03,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:03,904 INFO L495 AbstractCegarLoop]: Abstraction has 1430 states and 2055 transitions. [2023-11-06 22:15:03,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:15:03,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2055 transitions. [2023-11-06 22:15:03,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-06 22:15:03,906 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:03,906 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:03,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:04,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:04,122 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:15:04,122 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:04,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1316462646, now seen corresponding path program 2 times [2023-11-06 22:15:04,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:04,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720878113] [2023-11-06 22:15:04,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:04,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:04,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:15:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:04,525 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:15:04,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:04,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720878113] [2023-11-06 22:15:04,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720878113] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:15:04,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306073747] [2023-11-06 22:15:04,526 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:15:04,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:04,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:04,527 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:04,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:15:05,136 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 22:15:05,136 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:15:05,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 1072 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:15:05,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:05,229 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-06 22:15:05,229 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:05,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306073747] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:05,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:15:05,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2023-11-06 22:15:05,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577756170] [2023-11-06 22:15:05,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:05,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:15:05,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:05,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:15:05,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:15:05,232 INFO L87 Difference]: Start difference. First operand 1430 states and 2055 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:15:05,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:05,451 INFO L93 Difference]: Finished difference Result 1430 states and 2055 transitions. [2023-11-06 22:15:05,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:15:05,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2023-11-06 22:15:05,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:05,462 INFO L225 Difference]: With dead ends: 1430 [2023-11-06 22:15:05,462 INFO L226 Difference]: Without dead ends: 1428 [2023-11-06 22:15:05,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:15:05,465 INFO L413 NwaCegarLoop]: 2023 mSDtfsCounter, 712 mSDsluCounter, 5317 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 735 SdHoareTripleChecker+Valid, 7340 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:05,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [735 Valid, 7340 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:15:05,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2023-11-06 22:15:05,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1428. [2023-11-06 22:15:05,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1428 states, 1194 states have (on average 1.5644891122278057) internal successors, (1868), 1310 states have internal predecessors, (1868), 96 states have call successors, (96), 32 states have call predecessors, (96), 31 states have return successors, (89), 88 states have call predecessors, (89), 89 states have call successors, (89) [2023-11-06 22:15:05,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 2053 transitions. [2023-11-06 22:15:05,557 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 2053 transitions. Word has length 23 [2023-11-06 22:15:05,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:05,557 INFO L495 AbstractCegarLoop]: Abstraction has 1428 states and 2053 transitions. [2023-11-06 22:15:05,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:15:05,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 2053 transitions. [2023-11-06 22:15:05,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-06 22:15:05,559 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:05,559 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:05,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-06 22:15:05,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-06 22:15:05,768 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:15:05,768 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:05,768 INFO L85 PathProgramCache]: Analyzing trace with hash 688682734, now seen corresponding path program 1 times [2023-11-06 22:15:05,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:05,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992836586] [2023-11-06 22:15:05,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:05,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:06,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:15:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:06,091 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-06 22:15:06,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:06,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992836586] [2023-11-06 22:15:06,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992836586] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:06,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:06,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:15:06,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806639799] [2023-11-06 22:15:06,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:06,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:15:06,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:06,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:15:06,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:15:06,095 INFO L87 Difference]: Start difference. First operand 1428 states and 2053 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:15:06,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:06,203 INFO L93 Difference]: Finished difference Result 2838 states and 4089 transitions. [2023-11-06 22:15:06,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:15:06,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2023-11-06 22:15:06,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:06,216 INFO L225 Difference]: With dead ends: 2838 [2023-11-06 22:15:06,216 INFO L226 Difference]: Without dead ends: 1431 [2023-11-06 22:15:06,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:15:06,223 INFO L413 NwaCegarLoop]: 2040 mSDtfsCounter, 1 mSDsluCounter, 2034 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 4074 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:06,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 4074 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:15:06,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2023-11-06 22:15:06,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1431. [2023-11-06 22:15:06,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1431 states, 1197 states have (on average 1.5630743525480368) internal successors, (1871), 1313 states have internal predecessors, (1871), 96 states have call successors, (96), 32 states have call predecessors, (96), 31 states have return successors, (89), 88 states have call predecessors, (89), 89 states have call successors, (89) [2023-11-06 22:15:06,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1431 states and 2056 transitions. [2023-11-06 22:15:06,290 INFO L78 Accepts]: Start accepts. Automaton has 1431 states and 2056 transitions. Word has length 28 [2023-11-06 22:15:06,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:06,291 INFO L495 AbstractCegarLoop]: Abstraction has 1431 states and 2056 transitions. [2023-11-06 22:15:06,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:15:06,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 2056 transitions. [2023-11-06 22:15:06,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-06 22:15:06,293 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:06,293 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:06,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:15:06,294 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:15:06,294 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:06,294 INFO L85 PathProgramCache]: Analyzing trace with hash -508600603, now seen corresponding path program 1 times [2023-11-06 22:15:06,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:06,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996297192] [2023-11-06 22:15:06,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:06,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:06,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:15:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:06,658 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-06 22:15:06,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:06,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996297192] [2023-11-06 22:15:06,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996297192] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:15:06,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488481443] [2023-11-06 22:15:06,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:06,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:06,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:06,661 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:06,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:15:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:07,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 1268 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:15:07,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:07,561 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-06 22:15:07,562 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:15:07,719 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-06 22:15:07,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488481443] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:15:07,719 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:15:07,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2023-11-06 22:15:07,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106058511] [2023-11-06 22:15:07,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:15:07,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 22:15:07,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:07,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 22:15:07,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:15:07,722 INFO L87 Difference]: Start difference. First operand 1431 states and 2056 transitions. Second operand has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:15:07,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:07,995 INFO L93 Difference]: Finished difference Result 2864 states and 4120 transitions. [2023-11-06 22:15:07,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:15:07,996 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2023-11-06 22:15:07,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:08,006 INFO L225 Difference]: With dead ends: 2864 [2023-11-06 22:15:08,007 INFO L226 Difference]: Without dead ends: 1448 [2023-11-06 22:15:08,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:15:08,015 INFO L413 NwaCegarLoop]: 2034 mSDtfsCounter, 7 mSDsluCounter, 8124 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 10158 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:08,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 10158 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:15:08,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1448 states. [2023-11-06 22:15:08,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1448 to 1448. [2023-11-06 22:15:08,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1448 states, 1215 states have (on average 1.553909465020576) internal successors, (1888), 1330 states have internal predecessors, (1888), 96 states have call successors, (96), 32 states have call predecessors, (96), 31 states have return successors, (89), 88 states have call predecessors, (89), 89 states have call successors, (89) [2023-11-06 22:15:08,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 1448 states and 2073 transitions. [2023-11-06 22:15:08,077 INFO L78 Accepts]: Start accepts. Automaton has 1448 states and 2073 transitions. Word has length 31 [2023-11-06 22:15:08,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:08,077 INFO L495 AbstractCegarLoop]: Abstraction has 1448 states and 2073 transitions. [2023-11-06 22:15:08,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:15:08,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 2073 transitions. [2023-11-06 22:15:08,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-06 22:15:08,082 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:08,082 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:08,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:08,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:08,293 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:15:08,293 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:08,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1304380938, now seen corresponding path program 1 times [2023-11-06 22:15:08,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:08,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331157580] [2023-11-06 22:15:08,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:08,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:08,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:15:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:08,614 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-06 22:15:08,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:08,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331157580] [2023-11-06 22:15:08,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331157580] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:08,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:08,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:15:08,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428838524] [2023-11-06 22:15:08,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:08,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:15:08,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:08,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:15:08,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:15:08,618 INFO L87 Difference]: Start difference. First operand 1448 states and 2073 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:15:08,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:08,709 INFO L93 Difference]: Finished difference Result 1462 states and 2089 transitions. [2023-11-06 22:15:08,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:15:08,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2023-11-06 22:15:08,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:08,721 INFO L225 Difference]: With dead ends: 1462 [2023-11-06 22:15:08,721 INFO L226 Difference]: Without dead ends: 1460 [2023-11-06 22:15:08,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:15:08,725 INFO L413 NwaCegarLoop]: 2037 mSDtfsCounter, 3 mSDsluCounter, 2032 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 4069 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:08,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 4069 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:15:08,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2023-11-06 22:15:08,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 1458. [2023-11-06 22:15:08,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1458 states, 1225 states have (on average 1.5518367346938775) internal successors, (1901), 1340 states have internal predecessors, (1901), 96 states have call successors, (96), 32 states have call predecessors, (96), 31 states have return successors, (89), 88 states have call predecessors, (89), 89 states have call successors, (89) [2023-11-06 22:15:08,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 2086 transitions. [2023-11-06 22:15:08,781 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 2086 transitions. Word has length 50 [2023-11-06 22:15:08,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:08,783 INFO L495 AbstractCegarLoop]: Abstraction has 1458 states and 2086 transitions. [2023-11-06 22:15:08,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:15:08,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 2086 transitions. [2023-11-06 22:15:08,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-06 22:15:08,791 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:08,791 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:08,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-06 22:15:08,791 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:15:08,793 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:08,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1304382667, now seen corresponding path program 1 times [2023-11-06 22:15:08,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:08,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417205363] [2023-11-06 22:15:08,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:08,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:09,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:15:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:09,103 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-06 22:15:09,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:09,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417205363] [2023-11-06 22:15:09,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417205363] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:09,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:09,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:15:09,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351606236] [2023-11-06 22:15:09,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:09,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:15:09,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:09,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:15:09,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:15:09,106 INFO L87 Difference]: Start difference. First operand 1458 states and 2086 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:15:09,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:09,169 INFO L93 Difference]: Finished difference Result 1458 states and 2086 transitions. [2023-11-06 22:15:09,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:15:09,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2023-11-06 22:15:09,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:09,180 INFO L225 Difference]: With dead ends: 1458 [2023-11-06 22:15:09,180 INFO L226 Difference]: Without dead ends: 1457 [2023-11-06 22:15:09,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:15:09,182 INFO L413 NwaCegarLoop]: 2038 mSDtfsCounter, 0 mSDsluCounter, 2034 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4072 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:09,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4072 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:15:09,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2023-11-06 22:15:09,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 1453. [2023-11-06 22:15:09,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1453 states, 1221 states have (on average 1.552006552006552) internal successors, (1895), 1335 states have internal predecessors, (1895), 96 states have call successors, (96), 32 states have call predecessors, (96), 31 states have return successors, (89), 88 states have call predecessors, (89), 89 states have call successors, (89) [2023-11-06 22:15:09,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1453 states and 2080 transitions. [2023-11-06 22:15:09,243 INFO L78 Accepts]: Start accepts. Automaton has 1453 states and 2080 transitions. Word has length 50 [2023-11-06 22:15:09,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:09,245 INFO L495 AbstractCegarLoop]: Abstraction has 1453 states and 2080 transitions. [2023-11-06 22:15:09,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:15:09,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2080 transitions. [2023-11-06 22:15:09,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-06 22:15:09,247 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:09,247 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:09,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-06 22:15:09,247 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:15:09,248 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:09,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1062683059, now seen corresponding path program 1 times [2023-11-06 22:15:09,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:09,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798143805] [2023-11-06 22:15:09,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:09,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:09,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:15:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:09,630 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-06 22:15:09,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:09,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798143805] [2023-11-06 22:15:09,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798143805] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:15:09,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330211129] [2023-11-06 22:15:09,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:09,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:09,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:09,633 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:09,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:15:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:10,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:15:10,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:10,425 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-06 22:15:10,425 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:15:10,458 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-11-06 22:15:10,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330211129] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:15:10,458 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:15:10,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-06 22:15:10,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946082266] [2023-11-06 22:15:10,461 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:15:10,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:15:10,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:10,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:15:10,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:15:10,463 INFO L87 Difference]: Start difference. First operand 1453 states and 2080 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:15:10,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:10,598 INFO L93 Difference]: Finished difference Result 2880 states and 4136 transitions. [2023-11-06 22:15:10,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:15:10,599 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 58 [2023-11-06 22:15:10,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:10,611 INFO L225 Difference]: With dead ends: 2880 [2023-11-06 22:15:10,611 INFO L226 Difference]: Without dead ends: 1471 [2023-11-06 22:15:10,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:15:10,618 INFO L413 NwaCegarLoop]: 2038 mSDtfsCounter, 4 mSDsluCounter, 4068 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 6106 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 [2023-11-06 22:15:10,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 6106 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:15:10,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2023-11-06 22:15:10,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 1471. [2023-11-06 22:15:10,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1471 states, 1239 states have (on average 1.5439870863599676) internal successors, (1913), 1353 states have internal predecessors, (1913), 96 states have call successors, (96), 32 states have call predecessors, (96), 31 states have return successors, (89), 88 states have call predecessors, (89), 89 states have call successors, (89) [2023-11-06 22:15:10,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1471 states and 2098 transitions. [2023-11-06 22:15:10,682 INFO L78 Accepts]: Start accepts. Automaton has 1471 states and 2098 transitions. Word has length 58 [2023-11-06 22:15:10,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:10,683 INFO L495 AbstractCegarLoop]: Abstraction has 1471 states and 2098 transitions. [2023-11-06 22:15:10,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:15:10,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 2098 transitions. [2023-11-06 22:15:10,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-06 22:15:10,686 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:10,686 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:10,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:10,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:10,897 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:15:10,897 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:10,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1406851150, now seen corresponding path program 1 times [2023-11-06 22:15:10,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:10,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195312401] [2023-11-06 22:15:10,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:10,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:11,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:11,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:15:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:11,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:15:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:11,747 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 22:15:11,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:11,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195312401] [2023-11-06 22:15:11,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195312401] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:11,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:11,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:15:11,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309765314] [2023-11-06 22:15:11,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:11,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:15:11,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:11,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:15:11,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:15:11,751 INFO L87 Difference]: Start difference. First operand 1471 states and 2098 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:15:15,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:15:17,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:17,254 INFO L93 Difference]: Finished difference Result 3118 states and 4523 transitions. [2023-11-06 22:15:17,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:15:17,255 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 67 [2023-11-06 22:15:17,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:17,270 INFO L225 Difference]: With dead ends: 3118 [2023-11-06 22:15:17,270 INFO L226 Difference]: Without dead ends: 1768 [2023-11-06 22:15:17,277 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:15:17,278 INFO L413 NwaCegarLoop]: 1843 mSDtfsCounter, 2868 mSDsluCounter, 3122 mSDsCounter, 0 mSdLazyCounter, 1038 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2921 SdHoareTripleChecker+Valid, 4965 SdHoareTripleChecker+Invalid, 1241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 1038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:17,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2921 Valid, 4965 Invalid, 1241 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [203 Valid, 1038 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2023-11-06 22:15:17,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1768 states. [2023-11-06 22:15:17,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1768 to 1471. [2023-11-06 22:15:17,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1471 states, 1239 states have (on average 1.5431799838579499) internal successors, (1912), 1353 states have internal predecessors, (1912), 96 states have call successors, (96), 32 states have call predecessors, (96), 31 states have return successors, (89), 88 states have call predecessors, (89), 89 states have call successors, (89) [2023-11-06 22:15:17,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1471 states and 2097 transitions. [2023-11-06 22:15:17,368 INFO L78 Accepts]: Start accepts. Automaton has 1471 states and 2097 transitions. Word has length 67 [2023-11-06 22:15:17,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:17,369 INFO L495 AbstractCegarLoop]: Abstraction has 1471 states and 2097 transitions. [2023-11-06 22:15:17,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 22:15:17,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 2097 transitions. [2023-11-06 22:15:17,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-06 22:15:17,371 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:17,371 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:17,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-06 22:15:17,371 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:15:17,372 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:17,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1712389713, now seen corresponding path program 1 times [2023-11-06 22:15:17,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:17,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943628652] [2023-11-06 22:15:17,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:17,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:17,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:15:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:17,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:15:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:17,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 22:15:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:17,846 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 22:15:17,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:17,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943628652] [2023-11-06 22:15:17,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943628652] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:17,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:17,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:15:17,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059463010] [2023-11-06 22:15:17,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:17,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:15:17,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:17,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:15:17,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:15:17,851 INFO L87 Difference]: Start difference. First operand 1471 states and 2097 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:15:21,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:15:23,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:23,955 INFO L93 Difference]: Finished difference Result 2110 states and 3087 transitions. [2023-11-06 22:15:23,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:15:23,956 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (3), 3 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 76 [2023-11-06 22:15:23,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:23,971 INFO L225 Difference]: With dead ends: 2110 [2023-11-06 22:15:23,971 INFO L226 Difference]: Without dead ends: 2108 [2023-11-06 22:15:23,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:15:23,974 INFO L413 NwaCegarLoop]: 1892 mSDtfsCounter, 1319 mSDsluCounter, 3464 mSDsCounter, 0 mSdLazyCounter, 1130 mSolverCounterSat, 264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1337 SdHoareTripleChecker+Valid, 5356 SdHoareTripleChecker+Invalid, 1394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 264 IncrementalHoareTripleChecker+Valid, 1130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:23,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1337 Valid, 5356 Invalid, 1394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [264 Valid, 1130 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2023-11-06 22:15:23,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2108 states. [2023-11-06 22:15:24,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2108 to 1475. [2023-11-06 22:15:24,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 1243 states have (on average 1.5422365245374094) internal successors, (1917), 1357 states have internal predecessors, (1917), 96 states have call successors, (96), 32 states have call predecessors, (96), 31 states have return successors, (89), 88 states have call predecessors, (89), 89 states have call successors, (89) [2023-11-06 22:15:24,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 2102 transitions. [2023-11-06 22:15:24,063 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 2102 transitions. Word has length 76 [2023-11-06 22:15:24,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:24,064 INFO L495 AbstractCegarLoop]: Abstraction has 1475 states and 2102 transitions. [2023-11-06 22:15:24,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:15:24,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 2102 transitions. [2023-11-06 22:15:24,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-06 22:15:24,065 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:24,066 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:24,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-06 22:15:24,066 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:15:24,067 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:24,067 INFO L85 PathProgramCache]: Analyzing trace with hash 2009213281, now seen corresponding path program 2 times [2023-11-06 22:15:24,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:24,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256220538] [2023-11-06 22:15:24,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:24,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:24,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:15:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:24,587 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2023-11-06 22:15:24,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:24,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256220538] [2023-11-06 22:15:24,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256220538] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:15:24,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064699632] [2023-11-06 22:15:24,588 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:15:24,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:24,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:24,593 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:24,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:15:25,575 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:15:25,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:15:25,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 1553 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:15:25,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:25,683 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-11-06 22:15:25,683 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:15:25,810 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-11-06 22:15:25,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064699632] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:15:25,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:15:25,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2023-11-06 22:15:25,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253277044] [2023-11-06 22:15:25,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:15:25,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 22:15:25,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:25,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 22:15:25,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:15:25,813 INFO L87 Difference]: Start difference. First operand 1475 states and 2102 transitions. Second operand has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:15:26,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:26,388 INFO L93 Difference]: Finished difference Result 2933 states and 4196 transitions. [2023-11-06 22:15:26,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-06 22:15:26,389 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 76 [2023-11-06 22:15:26,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:26,399 INFO L225 Difference]: With dead ends: 2933 [2023-11-06 22:15:26,399 INFO L226 Difference]: Without dead ends: 1511 [2023-11-06 22:15:26,405 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=330, Invalid=792, Unknown=0, NotChecked=0, Total=1122 [2023-11-06 22:15:26,406 INFO L413 NwaCegarLoop]: 2034 mSDtfsCounter, 12 mSDsluCounter, 10143 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 12177 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:26,407 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 12177 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:15:26,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2023-11-06 22:15:26,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1510. [2023-11-06 22:15:26,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1510 states, 1279 states have (on average 1.526192337763878) internal successors, (1952), 1392 states have internal predecessors, (1952), 96 states have call successors, (96), 32 states have call predecessors, (96), 31 states have return successors, (89), 88 states have call predecessors, (89), 89 states have call successors, (89) [2023-11-06 22:15:26,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1510 states and 2137 transitions. [2023-11-06 22:15:26,477 INFO L78 Accepts]: Start accepts. Automaton has 1510 states and 2137 transitions. Word has length 76 [2023-11-06 22:15:26,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:26,478 INFO L495 AbstractCegarLoop]: Abstraction has 1510 states and 2137 transitions. [2023-11-06 22:15:26,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.785714285714286) internal successors, (67), 14 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:15:26,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 2137 transitions. [2023-11-06 22:15:26,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-06 22:15:26,479 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:26,479 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:26,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:26,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-06 22:15:26,690 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:15:26,690 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:26,690 INFO L85 PathProgramCache]: Analyzing trace with hash -480680406, now seen corresponding path program 1 times [2023-11-06 22:15:26,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:26,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838294147] [2023-11-06 22:15:26,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:26,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:27,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:15:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:27,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:15:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:27,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 22:15:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:27,262 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 22:15:27,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:27,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838294147] [2023-11-06 22:15:27,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838294147] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:15:27,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191120516] [2023-11-06 22:15:27,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:27,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:27,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:27,265 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:27,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:15:28,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:28,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 1676 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:15:28,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:28,323 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 22:15:28,324 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:28,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191120516] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:28,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:15:28,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2023-11-06 22:15:28,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84174294] [2023-11-06 22:15:28,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:28,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:15:28,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:28,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:15:28,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:15:28,327 INFO L87 Difference]: Start difference. First operand 1510 states and 2137 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 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) [2023-11-06 22:15:28,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:28,487 INFO L93 Difference]: Finished difference Result 1791 states and 2555 transitions. [2023-11-06 22:15:28,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:15:28,488 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 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 80 [2023-11-06 22:15:28,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:28,501 INFO L225 Difference]: With dead ends: 1791 [2023-11-06 22:15:28,501 INFO L226 Difference]: Without dead ends: 1790 [2023-11-06 22:15:28,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:15:28,505 INFO L413 NwaCegarLoop]: 2097 mSDtfsCounter, 1133 mSDsluCounter, 2023 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1145 SdHoareTripleChecker+Valid, 4120 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:28,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1145 Valid, 4120 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:15:28,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1790 states. [2023-11-06 22:15:28,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1790 to 1509. [2023-11-06 22:15:28,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1509 states, 1279 states have (on average 1.5254104769351056) internal successors, (1951), 1391 states have internal predecessors, (1951), 96 states have call successors, (96), 32 states have call predecessors, (96), 31 states have return successors, (89), 88 states have call predecessors, (89), 89 states have call successors, (89) [2023-11-06 22:15:28,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1509 states and 2136 transitions. [2023-11-06 22:15:28,606 INFO L78 Accepts]: Start accepts. Automaton has 1509 states and 2136 transitions. Word has length 80 [2023-11-06 22:15:28,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:28,606 INFO L495 AbstractCegarLoop]: Abstraction has 1509 states and 2136 transitions. [2023-11-06 22:15:28,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 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) [2023-11-06 22:15:28,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 2136 transitions. [2023-11-06 22:15:28,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-06 22:15:28,609 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:28,609 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:28,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:28,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-06 22:15:28,821 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:15:28,822 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:28,822 INFO L85 PathProgramCache]: Analyzing trace with hash -2016187696, now seen corresponding path program 1 times [2023-11-06 22:15:28,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:28,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028318444] [2023-11-06 22:15:28,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:28,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:28,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:29,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:15:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:29,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:15:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:29,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 22:15:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:29,258 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 22:15:29,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:29,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028318444] [2023-11-06 22:15:29,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028318444] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:15:29,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739607365] [2023-11-06 22:15:29,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:29,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:29,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:29,260 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:29,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:15:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:30,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 1677 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:15:30,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:30,261 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 22:15:30,261 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:15:30,317 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 22:15:30,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739607365] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:15:30,318 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:15:30,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 8 [2023-11-06 22:15:30,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904645313] [2023-11-06 22:15:30,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:15:30,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:15:30,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:30,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:15:30,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:15:30,321 INFO L87 Difference]: Start difference. First operand 1509 states and 2136 transitions. Second operand has 9 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:15:36,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:36,724 INFO L93 Difference]: Finished difference Result 2986 states and 4385 transitions. [2023-11-06 22:15:36,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:15:36,725 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 81 [2023-11-06 22:15:36,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:36,748 INFO L225 Difference]: With dead ends: 2986 [2023-11-06 22:15:36,748 INFO L226 Difference]: Without dead ends: 2985 [2023-11-06 22:15:36,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:15:36,751 INFO L413 NwaCegarLoop]: 2594 mSDtfsCounter, 3272 mSDsluCounter, 7070 mSDsCounter, 0 mSdLazyCounter, 1672 mSolverCounterSat, 286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3317 SdHoareTripleChecker+Valid, 9664 SdHoareTripleChecker+Invalid, 1958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 286 IncrementalHoareTripleChecker+Valid, 1672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:36,752 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3317 Valid, 9664 Invalid, 1958 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [286 Valid, 1672 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2023-11-06 22:15:36,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2985 states. [2023-11-06 22:15:36,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2985 to 1521. [2023-11-06 22:15:36,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1521 states, 1291 states have (on average 1.52285050348567) internal successors, (1966), 1403 states have internal predecessors, (1966), 96 states have call successors, (96), 32 states have call predecessors, (96), 31 states have return successors, (89), 88 states have call predecessors, (89), 89 states have call successors, (89) [2023-11-06 22:15:36,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 1521 states and 2151 transitions. [2023-11-06 22:15:36,865 INFO L78 Accepts]: Start accepts. Automaton has 1521 states and 2151 transitions. Word has length 81 [2023-11-06 22:15:36,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:36,866 INFO L495 AbstractCegarLoop]: Abstraction has 1521 states and 2151 transitions. [2023-11-06 22:15:36,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:15:36,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 2151 transitions. [2023-11-06 22:15:36,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-06 22:15:36,870 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:36,870 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:36,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:37,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:37,082 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:15:37,083 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:37,083 INFO L85 PathProgramCache]: Analyzing trace with hash 469007166, now seen corresponding path program 1 times [2023-11-06 22:15:37,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:37,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269306345] [2023-11-06 22:15:37,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:37,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:37,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:15:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:37,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:15:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:37,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 22:15:37,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:37,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 22:15:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:37,663 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-11-06 22:15:37,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:37,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269306345] [2023-11-06 22:15:37,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269306345] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:37,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:37,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:15:37,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004884364] [2023-11-06 22:15:37,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:37,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:15:37,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:37,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:15:37,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:15:37,667 INFO L87 Difference]: Start difference. First operand 1521 states and 2151 transitions. Second operand has 5 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:15:43,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:43,353 INFO L93 Difference]: Finished difference Result 3310 states and 4795 transitions. [2023-11-06 22:15:43,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:15:43,354 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 90 [2023-11-06 22:15:43,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:43,368 INFO L225 Difference]: With dead ends: 3310 [2023-11-06 22:15:43,369 INFO L226 Difference]: Without dead ends: 1975 [2023-11-06 22:15:43,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:15:43,377 INFO L413 NwaCegarLoop]: 1930 mSDtfsCounter, 1044 mSDsluCounter, 3437 mSDsCounter, 0 mSdLazyCounter, 1187 mSolverCounterSat, 262 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1058 SdHoareTripleChecker+Valid, 5367 SdHoareTripleChecker+Invalid, 1449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 262 IncrementalHoareTripleChecker+Valid, 1187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:43,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1058 Valid, 5367 Invalid, 1449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [262 Valid, 1187 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-11-06 22:15:43,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2023-11-06 22:15:43,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1562. [2023-11-06 22:15:43,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1562 states, 1331 states have (on average 1.5184072126220887) internal successors, (2021), 1443 states have internal predecessors, (2021), 97 states have call successors, (97), 32 states have call predecessors, (97), 31 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2023-11-06 22:15:43,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 2208 transitions. [2023-11-06 22:15:43,486 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 2208 transitions. Word has length 90 [2023-11-06 22:15:43,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:43,487 INFO L495 AbstractCegarLoop]: Abstraction has 1562 states and 2208 transitions. [2023-11-06 22:15:43,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:15:43,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 2208 transitions. [2023-11-06 22:15:43,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-06 22:15:43,491 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:43,491 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:43,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-11-06 22:15:43,491 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:15:43,492 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:43,492 INFO L85 PathProgramCache]: Analyzing trace with hash -255582109, now seen corresponding path program 1 times [2023-11-06 22:15:43,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:43,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547984473] [2023-11-06 22:15:43,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:43,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:43,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:15:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:43,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:15:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:43,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 22:15:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:44,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 22:15:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:44,020 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-11-06 22:15:44,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:44,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547984473] [2023-11-06 22:15:44,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547984473] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:44,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:15:44,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:15:44,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145139450] [2023-11-06 22:15:44,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:44,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:15:44,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:44,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:15:44,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:15:44,024 INFO L87 Difference]: Start difference. First operand 1562 states and 2208 transitions. Second operand has 5 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-06 22:15:50,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:15:53,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:53,155 INFO L93 Difference]: Finished difference Result 1920 states and 2776 transitions. [2023-11-06 22:15:53,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:15:53,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 92 [2023-11-06 22:15:53,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:53,171 INFO L225 Difference]: With dead ends: 1920 [2023-11-06 22:15:53,171 INFO L226 Difference]: Without dead ends: 1918 [2023-11-06 22:15:53,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:15:53,174 INFO L413 NwaCegarLoop]: 1869 mSDtfsCounter, 658 mSDsluCounter, 4547 mSDsCounter, 0 mSdLazyCounter, 1525 mSolverCounterSat, 134 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 667 SdHoareTripleChecker+Valid, 6416 SdHoareTripleChecker+Invalid, 1660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 1525 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:53,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [667 Valid, 6416 Invalid, 1660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 1525 Invalid, 1 Unknown, 0 Unchecked, 8.9s Time] [2023-11-06 22:15:53,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1918 states. [2023-11-06 22:15:53,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1918 to 1562. [2023-11-06 22:15:53,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1562 states, 1331 states have (on average 1.5169045830202854) internal successors, (2019), 1443 states have internal predecessors, (2019), 97 states have call successors, (97), 32 states have call predecessors, (97), 31 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2023-11-06 22:15:53,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 2206 transitions. [2023-11-06 22:15:53,278 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 2206 transitions. Word has length 92 [2023-11-06 22:15:53,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:53,278 INFO L495 AbstractCegarLoop]: Abstraction has 1562 states and 2206 transitions. [2023-11-06 22:15:53,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-06 22:15:53,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 2206 transitions. [2023-11-06 22:15:53,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-06 22:15:53,280 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:53,281 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:53,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-11-06 22:15:53,281 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:15:53,282 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:53,282 INFO L85 PathProgramCache]: Analyzing trace with hash -397262939, now seen corresponding path program 2 times [2023-11-06 22:15:53,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:53,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703353985] [2023-11-06 22:15:53,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:53,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:53,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:15:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:54,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 22:15:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:54,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 22:15:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:54,103 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2023-11-06 22:15:54,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:54,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703353985] [2023-11-06 22:15:54,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703353985] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:15:54,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [270907293] [2023-11-06 22:15:54,104 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:15:54,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:54,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:54,109 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:54,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 22:15:55,252 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 22:15:55,252 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:15:55,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 1478 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:15:55,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:55,417 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2023-11-06 22:15:55,417 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:15:55,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [270907293] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:15:55,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:15:55,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 13 [2023-11-06 22:15:55,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846558892] [2023-11-06 22:15:55,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:15:55,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:15:55,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:55,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:15:55,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:15:55,424 INFO L87 Difference]: Start difference. First operand 1562 states and 2206 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:15:55,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:55,830 INFO L93 Difference]: Finished difference Result 3014 states and 4296 transitions. [2023-11-06 22:15:55,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:15:55,831 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 93 [2023-11-06 22:15:55,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:55,840 INFO L225 Difference]: With dead ends: 3014 [2023-11-06 22:15:55,840 INFO L226 Difference]: Without dead ends: 1562 [2023-11-06 22:15:55,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:15:55,848 INFO L413 NwaCegarLoop]: 2015 mSDtfsCounter, 719 mSDsluCounter, 5995 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 742 SdHoareTripleChecker+Valid, 8010 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:55,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [742 Valid, 8010 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:15:55,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2023-11-06 22:15:55,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 1562. [2023-11-06 22:15:55,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1562 states, 1331 states have (on average 1.516153268219384) internal successors, (2018), 1443 states have internal predecessors, (2018), 97 states have call successors, (97), 32 states have call predecessors, (97), 31 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2023-11-06 22:15:55,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 2205 transitions. [2023-11-06 22:15:55,954 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 2205 transitions. Word has length 93 [2023-11-06 22:15:55,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:55,954 INFO L495 AbstractCegarLoop]: Abstraction has 1562 states and 2205 transitions. [2023-11-06 22:15:55,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 22:15:55,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 2205 transitions. [2023-11-06 22:15:55,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-06 22:15:55,956 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:55,957 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:55,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:56,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:56,170 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:15:56,171 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:56,171 INFO L85 PathProgramCache]: Analyzing trace with hash -2002775560, now seen corresponding path program 1 times [2023-11-06 22:15:56,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:56,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515116080] [2023-11-06 22:15:56,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:56,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:56,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:15:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:56,895 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-06 22:15:56,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:56,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515116080] [2023-11-06 22:15:56,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515116080] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:15:56,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475237280] [2023-11-06 22:15:56,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:56,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:56,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:56,899 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:56,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 22:15:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:57,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 1782 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:15:57,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:58,126 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-06 22:15:58,127 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:15:58,288 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-06 22:15:58,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475237280] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:15:58,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:15:58,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-11-06 22:15:58,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911714474] [2023-11-06 22:15:58,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:15:58,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:15:58,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:15:58,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:15:58,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:15:58,292 INFO L87 Difference]: Start difference. First operand 1562 states and 2205 transitions. Second operand has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:15:58,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:15:58,424 INFO L93 Difference]: Finished difference Result 1671 states and 2322 transitions. [2023-11-06 22:15:58,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:15:58,424 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 113 [2023-11-06 22:15:58,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:15:58,430 INFO L225 Difference]: With dead ends: 1671 [2023-11-06 22:15:58,430 INFO L226 Difference]: Without dead ends: 1670 [2023-11-06 22:15:58,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:15:58,433 INFO L413 NwaCegarLoop]: 2033 mSDtfsCounter, 5 mSDsluCounter, 4066 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 6099 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:15:58,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 6099 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:15:58,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2023-11-06 22:15:58,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1667. [2023-11-06 22:15:58,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1667 states, 1436 states have (on average 1.482590529247911) internal successors, (2129), 1548 states have internal predecessors, (2129), 97 states have call successors, (97), 32 states have call predecessors, (97), 31 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2023-11-06 22:15:58,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1667 states and 2316 transitions. [2023-11-06 22:15:58,527 INFO L78 Accepts]: Start accepts. Automaton has 1667 states and 2316 transitions. Word has length 113 [2023-11-06 22:15:58,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:15:58,528 INFO L495 AbstractCegarLoop]: Abstraction has 1667 states and 2316 transitions. [2023-11-06 22:15:58,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.333333333333334) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 22:15:58,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 2316 transitions. [2023-11-06 22:15:58,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-06 22:15:58,530 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:15:58,530 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:15:58,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:15:58,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:58,746 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:15:58,746 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:15:58,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1739186373, now seen corresponding path program 1 times [2023-11-06 22:15:58,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:15:58,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284670838] [2023-11-06 22:15:58,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:58,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:15:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:59,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:15:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:59,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:15:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:59,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-06 22:15:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:15:59,562 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-06 22:15:59,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:15:59,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284670838] [2023-11-06 22:15:59,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284670838] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:15:59,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303537549] [2023-11-06 22:15:59,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:15:59,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:15:59,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:15:59,565 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:15:59,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 22:16:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:00,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 1945 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:16:00,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:16:00,976 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-06 22:16:00,976 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:16:01,144 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-11-06 22:16:01,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303537549] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:16:01,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:16:01,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 14 [2023-11-06 22:16:01,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758756193] [2023-11-06 22:16:01,146 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:16:01,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-06 22:16:01,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:16:01,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-06 22:16:01,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=127, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:16:01,148 INFO L87 Difference]: Start difference. First operand 1667 states and 2316 transitions. Second operand has 15 states, 14 states have (on average 6.857142857142857) internal successors, (96), 13 states have internal predecessors, (96), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:16:06,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:16:12,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:16:12,309 INFO L93 Difference]: Finished difference Result 5228 states and 7640 transitions. [2023-11-06 22:16:12,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:16:12,309 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.857142857142857) internal successors, (96), 13 states have internal predecessors, (96), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 128 [2023-11-06 22:16:12,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:16:12,325 INFO L225 Difference]: With dead ends: 5228 [2023-11-06 22:16:12,325 INFO L226 Difference]: Without dead ends: 5227 [2023-11-06 22:16:12,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=127, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:16:12,329 INFO L413 NwaCegarLoop]: 3331 mSDtfsCounter, 6274 mSDsluCounter, 14356 mSDsCounter, 0 mSdLazyCounter, 3064 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6373 SdHoareTripleChecker+Valid, 17687 SdHoareTripleChecker+Invalid, 3268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 3064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:16:12,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6373 Valid, 17687 Invalid, 3268 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [204 Valid, 3064 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2023-11-06 22:16:12,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5227 states. [2023-11-06 22:16:12,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5227 to 1691. [2023-11-06 22:16:12,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1691 states, 1460 states have (on average 1.4787671232876711) internal successors, (2159), 1572 states have internal predecessors, (2159), 97 states have call successors, (97), 32 states have call predecessors, (97), 31 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2023-11-06 22:16:12,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1691 states and 2346 transitions. [2023-11-06 22:16:12,529 INFO L78 Accepts]: Start accepts. Automaton has 1691 states and 2346 transitions. Word has length 128 [2023-11-06 22:16:12,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:16:12,529 INFO L495 AbstractCegarLoop]: Abstraction has 1691 states and 2346 transitions. [2023-11-06 22:16:12,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.857142857142857) internal successors, (96), 13 states have internal predecessors, (96), 1 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 22:16:12,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2346 transitions. [2023-11-06 22:16:12,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-06 22:16:12,532 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:16:12,533 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:16:12,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:16:12,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:16:12,747 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:16:12,747 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:16:12,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1534305766, now seen corresponding path program 1 times [2023-11-06 22:16:12,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:16:12,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234831170] [2023-11-06 22:16:12,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:16:12,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:16:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:13,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:16:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:13,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:16:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:13,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-06 22:16:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:13,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-06 22:16:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:13,696 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2023-11-06 22:16:13,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:16:13,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234831170] [2023-11-06 22:16:13,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234831170] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:16:13,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:16:13,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:16:13,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974695456] [2023-11-06 22:16:13,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:16:13,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:16:13,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:16:13,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:16:13,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:16:13,700 INFO L87 Difference]: Start difference. First operand 1691 states and 2346 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:16:18,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:16:22,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:16:22,373 INFO L93 Difference]: Finished difference Result 3337 states and 4783 transitions. [2023-11-06 22:16:22,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:16:22,374 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 134 [2023-11-06 22:16:22,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:16:22,380 INFO L225 Difference]: With dead ends: 3337 [2023-11-06 22:16:22,380 INFO L226 Difference]: Without dead ends: 2054 [2023-11-06 22:16:22,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:16:22,385 INFO L413 NwaCegarLoop]: 1859 mSDtfsCounter, 3002 mSDsluCounter, 4460 mSDsCounter, 0 mSdLazyCounter, 1545 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3057 SdHoareTripleChecker+Valid, 6319 SdHoareTripleChecker+Invalid, 1749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 1545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:16:22,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3057 Valid, 6319 Invalid, 1749 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [204 Valid, 1545 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2023-11-06 22:16:22,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2054 states. [2023-11-06 22:16:22,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2054 to 1695. [2023-11-06 22:16:22,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1695 states, 1463 states have (on average 1.4771018455228981) internal successors, (2161), 1575 states have internal predecessors, (2161), 97 states have call successors, (97), 33 states have call predecessors, (97), 32 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2023-11-06 22:16:22,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1695 states and 2348 transitions. [2023-11-06 22:16:22,489 INFO L78 Accepts]: Start accepts. Automaton has 1695 states and 2348 transitions. Word has length 134 [2023-11-06 22:16:22,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:16:22,490 INFO L495 AbstractCegarLoop]: Abstraction has 1695 states and 2348 transitions. [2023-11-06 22:16:22,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:16:22,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 2348 transitions. [2023-11-06 22:16:22,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-06 22:16:22,492 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:16:22,493 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:16:22,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-11-06 22:16:22,493 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:16:22,494 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:16:22,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1931528076, now seen corresponding path program 1 times [2023-11-06 22:16:22,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:16:22,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77677503] [2023-11-06 22:16:22,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:16:22,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:16:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:22,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:16:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:22,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:16:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-06 22:16:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-06 22:16:23,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:23,071 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2023-11-06 22:16:23,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:16:23,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77677503] [2023-11-06 22:16:23,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77677503] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:16:23,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431392515] [2023-11-06 22:16:23,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:16:23,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:16:23,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:16:23,074 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:16:23,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-06 22:16:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:24,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 2036 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:16:24,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:16:24,459 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2023-11-06 22:16:24,460 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:16:24,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431392515] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:16:24,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:16:24,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2023-11-06 22:16:24,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238209711] [2023-11-06 22:16:24,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:16:24,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:16:24,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:16:24,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:16:24,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:16:24,463 INFO L87 Difference]: Start difference. First operand 1695 states and 2348 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:16:24,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:16:24,831 INFO L93 Difference]: Finished difference Result 3106 states and 4397 transitions. [2023-11-06 22:16:24,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:16:24,832 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 136 [2023-11-06 22:16:24,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:16:24,839 INFO L225 Difference]: With dead ends: 3106 [2023-11-06 22:16:24,839 INFO L226 Difference]: Without dead ends: 1753 [2023-11-06 22:16:24,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:16:24,845 INFO L413 NwaCegarLoop]: 2103 mSDtfsCounter, 529 mSDsluCounter, 3991 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 538 SdHoareTripleChecker+Valid, 6094 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:16:24,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [538 Valid, 6094 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:16:24,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1753 states. [2023-11-06 22:16:24,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1753 to 1677. [2023-11-06 22:16:24,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1677 states, 1454 states have (on average 1.4704264099037139) internal successors, (2138), 1557 states have internal predecessors, (2138), 97 states have call successors, (97), 33 states have call predecessors, (97), 32 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2023-11-06 22:16:24,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 1677 states and 2325 transitions. [2023-11-06 22:16:24,969 INFO L78 Accepts]: Start accepts. Automaton has 1677 states and 2325 transitions. Word has length 136 [2023-11-06 22:16:24,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:16:24,970 INFO L495 AbstractCegarLoop]: Abstraction has 1677 states and 2325 transitions. [2023-11-06 22:16:24,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:16:24,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states and 2325 transitions. [2023-11-06 22:16:24,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-06 22:16:24,973 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:16:24,973 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:16:24,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:16:25,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-11-06 22:16:25,186 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:16:25,187 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:16:25,187 INFO L85 PathProgramCache]: Analyzing trace with hash -772511657, now seen corresponding path program 1 times [2023-11-06 22:16:25,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:16:25,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354810681] [2023-11-06 22:16:25,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:16:25,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:16:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:25,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:16:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:25,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:16:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:25,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-06 22:16:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:25,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-06 22:16:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:25,674 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-06 22:16:25,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:16:25,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354810681] [2023-11-06 22:16:25,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354810681] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:16:25,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:16:25,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:16:25,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450688246] [2023-11-06 22:16:25,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:16:25,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:16:25,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:16:25,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:16:25,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:16:25,677 INFO L87 Difference]: Start difference. First operand 1677 states and 2325 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-06 22:16:30,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:16:30,889 INFO L93 Difference]: Finished difference Result 2036 states and 2896 transitions. [2023-11-06 22:16:30,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:16:30,890 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 138 [2023-11-06 22:16:30,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:16:30,897 INFO L225 Difference]: With dead ends: 2036 [2023-11-06 22:16:30,898 INFO L226 Difference]: Without dead ends: 2035 [2023-11-06 22:16:30,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:16:30,900 INFO L413 NwaCegarLoop]: 1858 mSDtfsCounter, 923 mSDsluCounter, 3431 mSDsCounter, 0 mSdLazyCounter, 1105 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 932 SdHoareTripleChecker+Valid, 5289 SdHoareTripleChecker+Invalid, 1349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 1105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:16:30,900 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [932 Valid, 5289 Invalid, 1349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 1105 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-11-06 22:16:30,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2035 states. [2023-11-06 22:16:31,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2035 to 1676. [2023-11-06 22:16:31,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1676 states, 1454 states have (on average 1.469738651994498) internal successors, (2137), 1556 states have internal predecessors, (2137), 97 states have call successors, (97), 33 states have call predecessors, (97), 32 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2023-11-06 22:16:31,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 1676 states and 2324 transitions. [2023-11-06 22:16:31,013 INFO L78 Accepts]: Start accepts. Automaton has 1676 states and 2324 transitions. Word has length 138 [2023-11-06 22:16:31,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:16:31,013 INFO L495 AbstractCegarLoop]: Abstraction has 1676 states and 2324 transitions. [2023-11-06 22:16:31,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-06 22:16:31,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1676 states and 2324 transitions. [2023-11-06 22:16:31,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-06 22:16:31,016 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:16:31,016 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:16:31,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-11-06 22:16:31,016 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:16:31,017 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:16:31,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1821945461, now seen corresponding path program 1 times [2023-11-06 22:16:31,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:16:31,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793713508] [2023-11-06 22:16:31,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:16:31,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:16:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:31,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:16:31,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:31,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:16:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:32,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-11-06 22:16:32,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:32,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-11-06 22:16:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:32,092 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2023-11-06 22:16:32,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:16:32,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793713508] [2023-11-06 22:16:32,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793713508] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:16:32,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:16:32,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:16:32,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409854259] [2023-11-06 22:16:32,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:16:32,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:16:32,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:16:32,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:16:32,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:16:32,096 INFO L87 Difference]: Start difference. First operand 1676 states and 2324 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:16:37,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:16:37,677 INFO L93 Difference]: Finished difference Result 3487 states and 4973 transitions. [2023-11-06 22:16:37,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:16:37,678 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 139 [2023-11-06 22:16:37,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:16:37,686 INFO L225 Difference]: With dead ends: 3487 [2023-11-06 22:16:37,686 INFO L226 Difference]: Without dead ends: 2046 [2023-11-06 22:16:37,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:16:37,693 INFO L413 NwaCegarLoop]: 1850 mSDtfsCounter, 960 mSDsluCounter, 3383 mSDsCounter, 0 mSdLazyCounter, 1096 mSolverCounterSat, 249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 969 SdHoareTripleChecker+Valid, 5233 SdHoareTripleChecker+Invalid, 1345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 249 IncrementalHoareTripleChecker+Valid, 1096 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:16:37,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [969 Valid, 5233 Invalid, 1345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [249 Valid, 1096 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2023-11-06 22:16:37,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2046 states. [2023-11-06 22:16:37,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2046 to 1684. [2023-11-06 22:16:37,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1684 states, 1460 states have (on average 1.4678082191780821) internal successors, (2143), 1562 states have internal predecessors, (2143), 97 states have call successors, (97), 35 states have call predecessors, (97), 34 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2023-11-06 22:16:37,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1684 states and 2330 transitions. [2023-11-06 22:16:37,830 INFO L78 Accepts]: Start accepts. Automaton has 1684 states and 2330 transitions. Word has length 139 [2023-11-06 22:16:37,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:16:37,831 INFO L495 AbstractCegarLoop]: Abstraction has 1684 states and 2330 transitions. [2023-11-06 22:16:37,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:16:37,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 2330 transitions. [2023-11-06 22:16:37,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-06 22:16:37,834 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:16:37,834 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:16:37,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-11-06 22:16:37,835 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:16:37,835 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:16:37,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1511370069, now seen corresponding path program 1 times [2023-11-06 22:16:37,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:16:37,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439966453] [2023-11-06 22:16:37,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:16:37,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:16:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:38,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:16:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:38,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:16:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:38,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-06 22:16:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:38,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-06 22:16:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:38,531 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2023-11-06 22:16:38,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:16:38,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439966453] [2023-11-06 22:16:38,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439966453] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:16:38,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:16:38,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:16:38,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103929254] [2023-11-06 22:16:38,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:16:38,533 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:16:38,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:16:38,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:16:38,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:16:38,535 INFO L87 Difference]: Start difference. First operand 1684 states and 2330 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:16:47,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:16:47,040 INFO L93 Difference]: Finished difference Result 3498 states and 4989 transitions. [2023-11-06 22:16:47,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:16:47,045 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 147 [2023-11-06 22:16:47,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:16:47,054 INFO L225 Difference]: With dead ends: 3498 [2023-11-06 22:16:47,054 INFO L226 Difference]: Without dead ends: 2048 [2023-11-06 22:16:47,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:16:47,061 INFO L413 NwaCegarLoop]: 1851 mSDtfsCounter, 662 mSDsluCounter, 6310 mSDsCounter, 0 mSdLazyCounter, 1823 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 8161 SdHoareTripleChecker+Invalid, 1958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 1823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:16:47,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [671 Valid, 8161 Invalid, 1958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [135 Valid, 1823 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2023-11-06 22:16:47,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2048 states. [2023-11-06 22:16:47,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2048 to 1686. [2023-11-06 22:16:47,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1686 states, 1462 states have (on average 1.4671682626538987) internal successors, (2145), 1564 states have internal predecessors, (2145), 97 states have call successors, (97), 35 states have call predecessors, (97), 34 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2023-11-06 22:16:47,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1686 states and 2332 transitions. [2023-11-06 22:16:47,200 INFO L78 Accepts]: Start accepts. Automaton has 1686 states and 2332 transitions. Word has length 147 [2023-11-06 22:16:47,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:16:47,201 INFO L495 AbstractCegarLoop]: Abstraction has 1686 states and 2332 transitions. [2023-11-06 22:16:47,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:16:47,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1686 states and 2332 transitions. [2023-11-06 22:16:47,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-06 22:16:47,204 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:16:47,204 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:16:47,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-11-06 22:16:47,205 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:16:47,205 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:16:47,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1945099155, now seen corresponding path program 1 times [2023-11-06 22:16:47,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:16:47,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345496503] [2023-11-06 22:16:47,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:16:47,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:16:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:47,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:16:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:47,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:16:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:47,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-11-06 22:16:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:47,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-11-06 22:16:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:47,952 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2023-11-06 22:16:47,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:16:47,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345496503] [2023-11-06 22:16:47,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345496503] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:16:47,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:16:47,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:16:47,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634921818] [2023-11-06 22:16:47,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:16:47,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:16:47,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:16:47,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:16:47,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:16:47,956 INFO L87 Difference]: Start difference. First operand 1686 states and 2332 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:16:50,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:16:54,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:16:57,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:16:57,870 INFO L93 Difference]: Finished difference Result 3504 states and 4997 transitions. [2023-11-06 22:16:57,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:16:57,871 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 147 [2023-11-06 22:16:57,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:16:57,879 INFO L225 Difference]: With dead ends: 3504 [2023-11-06 22:16:57,879 INFO L226 Difference]: Without dead ends: 2055 [2023-11-06 22:16:57,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:16:57,885 INFO L413 NwaCegarLoop]: 1849 mSDtfsCounter, 948 mSDsluCounter, 8865 mSDsCounter, 0 mSdLazyCounter, 2008 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 957 SdHoareTripleChecker+Valid, 10714 SdHoareTripleChecker+Invalid, 2260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 2008 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:16:57,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [957 Valid, 10714 Invalid, 2260 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [252 Valid, 2008 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2023-11-06 22:16:57,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2055 states. [2023-11-06 22:16:58,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2055 to 1689. [2023-11-06 22:16:58,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1689 states, 1465 states have (on average 1.466211604095563) internal successors, (2148), 1567 states have internal predecessors, (2148), 97 states have call successors, (97), 35 states have call predecessors, (97), 34 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2023-11-06 22:16:58,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1689 states and 2335 transitions. [2023-11-06 22:16:58,024 INFO L78 Accepts]: Start accepts. Automaton has 1689 states and 2335 transitions. Word has length 147 [2023-11-06 22:16:58,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:16:58,025 INFO L495 AbstractCegarLoop]: Abstraction has 1689 states and 2335 transitions. [2023-11-06 22:16:58,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:16:58,025 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 2335 transitions. [2023-11-06 22:16:58,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-06 22:16:58,028 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:16:58,028 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:16:58,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-11-06 22:16:58,029 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:16:58,029 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:16:58,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1832955098, now seen corresponding path program 1 times [2023-11-06 22:16:58,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:16:58,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864519663] [2023-11-06 22:16:58,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:16:58,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:16:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:58,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:16:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:58,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:16:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:58,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-06 22:16:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:58,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-06 22:16:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:16:58,642 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2023-11-06 22:16:58,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:16:58,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864519663] [2023-11-06 22:16:58,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864519663] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:16:58,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:16:58,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:16:58,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883044308] [2023-11-06 22:16:58,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:16:58,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:16:58,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:16:58,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:16:58,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:16:58,645 INFO L87 Difference]: Start difference. First operand 1689 states and 2335 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:17:03,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:17:08,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:17:08,776 INFO L93 Difference]: Finished difference Result 3500 states and 4989 transitions. [2023-11-06 22:17:08,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:17:08,777 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 149 [2023-11-06 22:17:08,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:17:08,785 INFO L225 Difference]: With dead ends: 3500 [2023-11-06 22:17:08,785 INFO L226 Difference]: Without dead ends: 2053 [2023-11-06 22:17:08,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:17:08,792 INFO L413 NwaCegarLoop]: 1862 mSDtfsCounter, 662 mSDsluCounter, 6340 mSDsCounter, 0 mSdLazyCounter, 1827 mSolverCounterSat, 135 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 8202 SdHoareTripleChecker+Invalid, 1963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 1827 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:17:08,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [671 Valid, 8202 Invalid, 1963 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [135 Valid, 1827 Invalid, 1 Unknown, 0 Unchecked, 9.8s Time] [2023-11-06 22:17:08,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2053 states. [2023-11-06 22:17:08,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2053 to 1691. [2023-11-06 22:17:08,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1691 states, 1467 states have (on average 1.465576005453306) internal successors, (2150), 1569 states have internal predecessors, (2150), 97 states have call successors, (97), 35 states have call predecessors, (97), 34 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2023-11-06 22:17:08,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1691 states and 2337 transitions. [2023-11-06 22:17:08,930 INFO L78 Accepts]: Start accepts. Automaton has 1691 states and 2337 transitions. Word has length 149 [2023-11-06 22:17:08,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:17:08,930 INFO L495 AbstractCegarLoop]: Abstraction has 1691 states and 2337 transitions. [2023-11-06 22:17:08,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:17:08,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2337 transitions. [2023-11-06 22:17:08,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-06 22:17:08,934 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:17:08,934 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:17:08,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-11-06 22:17:08,935 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:17:08,935 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:08,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1201094948, now seen corresponding path program 1 times [2023-11-06 22:17:08,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:08,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241351307] [2023-11-06 22:17:08,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:08,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:09,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:17:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:09,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:17:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:09,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-06 22:17:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:09,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-06 22:17:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:09,695 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2023-11-06 22:17:09,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:17:09,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241351307] [2023-11-06 22:17:09,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241351307] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:17:09,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:17:09,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:17:09,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016117790] [2023-11-06 22:17:09,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:17:09,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:17:09,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:17:09,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:17:09,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:17:09,700 INFO L87 Difference]: Start difference. First operand 1691 states and 2337 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:17:14,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:17:17,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:17:21,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:17:21,548 INFO L93 Difference]: Finished difference Result 3502 states and 4991 transitions. [2023-11-06 22:17:21,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 22:17:21,549 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 149 [2023-11-06 22:17:21,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:17:21,557 INFO L225 Difference]: With dead ends: 3502 [2023-11-06 22:17:21,557 INFO L226 Difference]: Without dead ends: 2059 [2023-11-06 22:17:21,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:17:21,563 INFO L413 NwaCegarLoop]: 1864 mSDtfsCounter, 683 mSDsluCounter, 10002 mSDsCounter, 0 mSdLazyCounter, 2430 mSolverCounterSat, 135 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 692 SdHoareTripleChecker+Valid, 11866 SdHoareTripleChecker+Invalid, 2565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 135 IncrementalHoareTripleChecker+Valid, 2430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:17:21,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [692 Valid, 11866 Invalid, 2565 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [135 Valid, 2430 Invalid, 0 Unknown, 0 Unchecked, 11.5s Time] [2023-11-06 22:17:21,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2059 states. [2023-11-06 22:17:21,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2059 to 1691. [2023-11-06 22:17:21,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1691 states, 1467 states have (on average 1.465576005453306) internal successors, (2150), 1569 states have internal predecessors, (2150), 97 states have call successors, (97), 35 states have call predecessors, (97), 34 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2023-11-06 22:17:21,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1691 states and 2337 transitions. [2023-11-06 22:17:21,700 INFO L78 Accepts]: Start accepts. Automaton has 1691 states and 2337 transitions. Word has length 149 [2023-11-06 22:17:21,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:17:21,700 INFO L495 AbstractCegarLoop]: Abstraction has 1691 states and 2337 transitions. [2023-11-06 22:17:21,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 6 states have internal predecessors, (79), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:17:21,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2337 transitions. [2023-11-06 22:17:21,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-06 22:17:21,703 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:17:21,704 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:17:21,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-11-06 22:17:21,704 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:17:21,705 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:21,705 INFO L85 PathProgramCache]: Analyzing trace with hash 896583385, now seen corresponding path program 1 times [2023-11-06 22:17:21,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:21,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403005884] [2023-11-06 22:17:21,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:21,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:22,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:36,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:17:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:36,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:17:36,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:36,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-06 22:17:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:36,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-06 22:17:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:36,757 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-11-06 22:17:36,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:17:36,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403005884] [2023-11-06 22:17:36,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403005884] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:17:36,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087352983] [2023-11-06 22:17:36,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:36,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:17:36,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:36,763 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:17:36,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-06 22:17:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:38,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 2091 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:17:38,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:17:38,345 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2023-11-06 22:17:38,345 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:17:38,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087352983] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:17:38,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:17:38,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [20] total 23 [2023-11-06 22:17:38,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695645339] [2023-11-06 22:17:38,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:17:38,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-06 22:17:38,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:17:38,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 22:17:38,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2023-11-06 22:17:38,349 INFO L87 Difference]: Start difference. First operand 1691 states and 2337 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:17:38,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:17:38,594 INFO L93 Difference]: Finished difference Result 3136 states and 4410 transitions. [2023-11-06 22:17:38,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:17:38,595 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 149 [2023-11-06 22:17:38,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:17:38,601 INFO L225 Difference]: With dead ends: 3136 [2023-11-06 22:17:38,601 INFO L226 Difference]: Without dead ends: 1694 [2023-11-06 22:17:38,606 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=67, Invalid=485, Unknown=0, NotChecked=0, Total=552 [2023-11-06 22:17:38,607 INFO L413 NwaCegarLoop]: 2023 mSDtfsCounter, 19 mSDsluCounter, 6017 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 8040 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:17:38,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 8040 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:17:38,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2023-11-06 22:17:38,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1693. [2023-11-06 22:17:38,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1693 states, 1469 states have (on average 1.4649421375085092) internal successors, (2152), 1571 states have internal predecessors, (2152), 97 states have call successors, (97), 35 states have call predecessors, (97), 34 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2023-11-06 22:17:38,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1693 states and 2339 transitions. [2023-11-06 22:17:38,756 INFO L78 Accepts]: Start accepts. Automaton has 1693 states and 2339 transitions. Word has length 149 [2023-11-06 22:17:38,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:17:38,757 INFO L495 AbstractCegarLoop]: Abstraction has 1693 states and 2339 transitions. [2023-11-06 22:17:38,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-06 22:17:38,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 2339 transitions. [2023-11-06 22:17:38,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-06 22:17:38,760 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:17:38,761 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:17:38,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-06 22:17:38,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:17:38,975 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [printable_stringErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, printable_stringErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 124 more)] === [2023-11-06 22:17:38,975 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:17:38,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1860043881, now seen corresponding path program 1 times [2023-11-06 22:17:38,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:17:38,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235623049] [2023-11-06 22:17:38,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:38,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:17:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:52,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:17:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:52,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:17:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:52,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-11-06 22:17:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:52,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-11-06 22:17:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:52,838 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-11-06 22:17:52,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:17:52,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235623049] [2023-11-06 22:17:52,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235623049] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:17:52,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628339221] [2023-11-06 22:17:52,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:17:52,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:17:52,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:17:52,849 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:17:52,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b342b197-f931-4c85-8d5f-4cdb1adf3c1e/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-06 22:17:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:17:54,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 2094 conjuncts, 156 conjunts are in the unsatisfiable core [2023-11-06 22:17:54,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:17:54,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,677 INFO L322 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-06 22:17:54,678 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 32 [2023-11-06 22:17:54,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,771 INFO L322 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-11-06 22:17:54,771 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 1 [2023-11-06 22:17:54,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,830 INFO L322 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-11-06 22:17:54,830 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 1 [2023-11-06 22:17:54,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,896 INFO L322 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-11-06 22:17:54,896 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 14 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 1 [2023-11-06 22:17:54,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,953 INFO L322 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-11-06 22:17:54,953 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 1 [2023-11-06 22:17:54,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:54,991 INFO L322 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-11-06 22:17:54,991 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 1 [2023-11-06 22:17:55,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,045 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2023-11-06 22:17:55,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,086 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-06 22:17:55,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,125 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-06 22:17:55,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,150 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-06 22:17:55,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,177 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-06 22:17:55,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,208 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-06 22:17:55,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,250 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-06 22:17:55,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,273 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-06 22:17:55,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,300 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-06 22:17:55,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,333 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-06 22:17:55,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,384 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2023-11-06 22:17:55,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,420 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-06 22:17:55,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,461 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-06 22:17:55,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,505 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2023-11-06 22:17:55,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,549 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-06 22:17:55,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,574 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-06 22:17:55,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,614 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-06 22:17:55,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,637 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-06 22:17:55,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,685 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-06 22:17:55,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,708 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-06 22:17:55,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,738 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-06 22:17:55,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,770 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-06 22:17:55,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,823 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2023-11-06 22:17:55,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,858 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-06 22:17:55,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,934 INFO L322 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-11-06 22:17:55,934 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 14 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 1 [2023-11-06 22:17:55,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:55,981 INFO L322 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-11-06 22:17:55,981 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 1 [2023-11-06 22:17:56,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,034 INFO L322 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-11-06 22:17:56,034 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 1 [2023-11-06 22:17:56,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,067 INFO L322 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-11-06 22:17:56,068 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 1 [2023-11-06 22:17:56,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,164 INFO L322 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-11-06 22:17:56,164 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 1 [2023-11-06 22:17:56,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,200 INFO L322 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-11-06 22:17:56,201 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 1 [2023-11-06 22:17:56,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,231 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-06 22:17:56,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,263 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-06 22:17:56,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,300 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-06 22:17:56,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,322 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-06 22:17:56,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,358 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-06 22:17:56,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,401 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2023-11-06 22:17:56,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,440 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-06 22:17:56,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,461 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-06 22:17:56,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,493 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-06 22:17:56,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,537 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2023-11-06 22:17:56,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,580 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-06 22:17:56,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,601 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-06 22:17:56,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,636 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-06 22:17:56,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,665 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-06 22:17:56,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,708 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-06 22:17:56,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,750 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2023-11-06 22:17:56,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,805 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-06 22:17:56,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,830 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-06 22:17:56,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,861 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-06 22:17:56,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,890 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-06 22:17:56,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,913 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2023-11-06 22:17:56,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,945 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-06 22:17:56,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,983 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 11 [2023-11-06 22:17:56,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:56,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:57,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:57,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:57,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:57,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:57,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:57,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:57,035 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 11 [2023-11-06 22:17:57,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:57,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:57,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:57,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:57,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:57,089 INFO L322 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-11-06 22:17:57,089 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 1 [2023-11-06 22:17:57,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:57,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:57,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:57,127 INFO L322 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-11-06 22:17:57,127 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 1 [2023-11-06 22:17:57,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:57,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:57,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:57,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:57,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:57,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-06 22:17:57,164 INFO L190 IndexEqualityManager]: detected not equals via solver