./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8709d0dd1417f72680ac49a0b75f082aefce105d9ef1e3760edc003b735c2e10 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:43:39,295 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:43:39,372 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-26 10:43:39,378 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:43:39,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:43:39,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:43:39,407 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:43:39,408 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:43:39,409 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:43:39,409 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:43:39,410 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:43:39,411 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:43:39,411 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:43:39,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:43:39,415 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:43:39,416 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:43:39,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:43:39,417 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:43:39,417 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:43:39,418 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:43:39,418 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:43:39,419 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:43:39,420 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 10:43:39,424 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:43:39,425 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:43:39,425 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:43:39,426 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:43:39,426 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:43:39,427 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:43:39,427 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:43:39,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:43:39,432 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:43:39,432 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:43:39,433 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:43:39,433 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:43:39,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:43:39,434 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:43:39,434 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:43:39,435 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:43:39,435 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:43:39,436 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:43:39,436 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_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8709d0dd1417f72680ac49a0b75f082aefce105d9ef1e3760edc003b735c2e10 [2023-11-26 10:43:39,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:43:39,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:43:39,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:43:39,700 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:43:39,701 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:43:39,702 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_08_good.i [2023-11-26 10:43:42,797 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:43:43,261 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:43:43,268 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_multiply_08_good.i [2023-11-26 10:43:43,308 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/data/5cc91cbde/fecddd774a68450db659f17a576d04cb/FLAG8d9cbc372 [2023-11-26 10:43:43,325 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/data/5cc91cbde/fecddd774a68450db659f17a576d04cb [2023-11-26 10:43:43,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:43:43,334 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:43:43,339 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:43:43,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:43:43,345 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:43:43,346 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:43:43" (1/1) ... [2023-11-26 10:43:43,347 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e74e3e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:43, skipping insertion in model container [2023-11-26 10:43:43,347 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:43:43" (1/1) ... [2023-11-26 10:43:43,445 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:43:44,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:43:44,442 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:43:44,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:43:44,758 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:43:44,758 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:43:44,758 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:43:44,759 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:43:44,767 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:43:44,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:44 WrapperNode [2023-11-26 10:43:44,768 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:43:44,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:43:44,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:43:44,769 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:43:44,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:44" (1/1) ... [2023-11-26 10:43:44,807 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:44" (1/1) ... [2023-11-26 10:43:44,839 INFO L138 Inliner]: procedures = 504, calls = 92, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 155 [2023-11-26 10:43:44,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:43:44,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:43:44,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:43:44,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:43:44,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:44" (1/1) ... [2023-11-26 10:43:44,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:44" (1/1) ... [2023-11-26 10:43:44,863 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:44" (1/1) ... [2023-11-26 10:43:44,903 INFO L175 MemorySlicer]: Split 11 memory accesses to 3 slices as follows [1, 5, 5]. 45 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0, 0]. The 4 writes are split as follows [0, 2, 2]. [2023-11-26 10:43:44,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:44" (1/1) ... [2023-11-26 10:43:44,904 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:44" (1/1) ... [2023-11-26 10:43:44,913 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:44" (1/1) ... [2023-11-26 10:43:44,916 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:44" (1/1) ... [2023-11-26 10:43:44,919 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:44" (1/1) ... [2023-11-26 10:43:44,921 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:44" (1/1) ... [2023-11-26 10:43:44,925 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:43:44,926 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:43:44,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:43:44,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:43:44,928 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:44" (1/1) ... [2023-11-26 10:43:44,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:43:44,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:44,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:43:44,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:43:44,999 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-26 10:43:44,999 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-26 10:43:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-26 10:43:45,000 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-26 10:43:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:43:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:43:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 10:43:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 10:43:45,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:43:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:43:45,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:43:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2023-11-26 10:43:45,001 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2023-11-26 10:43:45,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:43:45,002 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2023-11-26 10:43:45,002 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2023-11-26 10:43:45,002 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-26 10:43:45,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:43:45,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 10:43:45,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 10:43:45,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:43:45,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 10:43:45,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 10:43:45,170 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:43:45,172 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:43:45,471 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:43:45,533 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:43:45,533 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 10:43:45,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:45 BoogieIcfgContainer [2023-11-26 10:43:45,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:43:45,536 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:43:45,536 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:43:45,539 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:43:45,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:43:43" (1/3) ... [2023-11-26 10:43:45,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dce5512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:43:45, skipping insertion in model container [2023-11-26 10:43:45,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:43:44" (2/3) ... [2023-11-26 10:43:45,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dce5512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:43:45, skipping insertion in model container [2023-11-26 10:43:45,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:45" (3/3) ... [2023-11-26 10:43:45,543 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_multiply_08_good.i [2023-11-26 10:43:45,564 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:43:45,564 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-26 10:43:45,619 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:43:45,626 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2b654137, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:43:45,627 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-26 10:43:45,630 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 51 states have (on average 1.4509803921568627) internal successors, (74), 59 states have internal predecessors, (74), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-26 10:43:45,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-26 10:43:45,638 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:45,638 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:45,639 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-26 10:43:45,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:45,645 INFO L85 PathProgramCache]: Analyzing trace with hash 2053430301, now seen corresponding path program 1 times [2023-11-26 10:43:45,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:45,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958618316] [2023-11-26 10:43:45,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:45,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:46,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:43:46,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:46,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:43:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:46,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:43:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:46,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:46,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:46,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958618316] [2023-11-26 10:43:46,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958618316] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:46,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:46,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:43:46,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381072894] [2023-11-26 10:43:46,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:46,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:43:46,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:46,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:43:46,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:43:46,413 INFO L87 Difference]: Start difference. First operand has 82 states, 51 states have (on average 1.4509803921568627) internal successors, (74), 59 states have internal predecessors, (74), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 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) [2023-11-26 10:43:46,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:46,584 INFO L93 Difference]: Finished difference Result 82 states and 110 transitions. [2023-11-26 10:43:46,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:43:46,587 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 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 20 [2023-11-26 10:43:46,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:43:46,597 INFO L225 Difference]: With dead ends: 82 [2023-11-26 10:43:46,598 INFO L226 Difference]: Without dead ends: 75 [2023-11-26 10:43:46,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:43:46,606 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 2 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:43:46,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 369 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:43:46,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-26 10:43:46,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-26 10:43:46,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 48 states have (on average 1.3958333333333333) internal successors, (67), 54 states have internal predecessors, (67), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-26 10:43:46,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 99 transitions. [2023-11-26 10:43:46,671 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 99 transitions. Word has length 20 [2023-11-26 10:43:46,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:43:46,673 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 99 transitions. [2023-11-26 10:43:46,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 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) [2023-11-26 10:43:46,674 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions. [2023-11-26 10:43:46,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-26 10:43:46,677 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:46,677 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:46,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:43:46,678 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-26 10:43:46,683 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:46,684 INFO L85 PathProgramCache]: Analyzing trace with hash -768170036, now seen corresponding path program 1 times [2023-11-26 10:43:46,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:46,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375489555] [2023-11-26 10:43:46,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:46,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:46,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:43:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:46,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:43:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:46,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:43:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:46,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:43:46,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:46,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375489555] [2023-11-26 10:43:46,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375489555] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:46,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:46,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:43:46,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330800489] [2023-11-26 10:43:46,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:46,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:43:46,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:46,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:43:46,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:43:46,911 INFO L87 Difference]: Start difference. First operand 75 states and 99 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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) [2023-11-26 10:43:47,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:47,032 INFO L93 Difference]: Finished difference Result 76 states and 100 transitions. [2023-11-26 10:43:47,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:43:47,033 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 21 [2023-11-26 10:43:47,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:43:47,039 INFO L225 Difference]: With dead ends: 76 [2023-11-26 10:43:47,039 INFO L226 Difference]: Without dead ends: 75 [2023-11-26 10:43:47,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:43:47,042 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 6 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:43:47,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 330 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:43:47,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-26 10:43:47,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2023-11-26 10:43:47,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 48 states have (on average 1.375) internal successors, (66), 53 states have internal predecessors, (66), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-26 10:43:47,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 98 transitions. [2023-11-26 10:43:47,067 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 98 transitions. Word has length 21 [2023-11-26 10:43:47,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:43:47,067 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 98 transitions. [2023-11-26 10:43:47,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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) [2023-11-26 10:43:47,067 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 98 transitions. [2023-11-26 10:43:47,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-26 10:43:47,069 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:47,069 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:47,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:43:47,070 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-26 10:43:47,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:47,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1045941309, now seen corresponding path program 1 times [2023-11-26 10:43:47,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:47,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284468955] [2023-11-26 10:43:47,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:47,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:47,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:43:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:47,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:43:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:47,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:43:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:47,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 10:43:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:47,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:43:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:47,327 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-26 10:43:47,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:47,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284468955] [2023-11-26 10:43:47,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284468955] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:47,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:47,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:43:47,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470626438] [2023-11-26 10:43:47,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:47,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:43:47,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:47,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:43:47,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:43:47,332 INFO L87 Difference]: Start difference. First operand 74 states and 98 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:43:47,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:47,401 INFO L93 Difference]: Finished difference Result 74 states and 98 transitions. [2023-11-26 10:43:47,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:43:47,402 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 32 [2023-11-26 10:43:47,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:43:47,406 INFO L225 Difference]: With dead ends: 74 [2023-11-26 10:43:47,406 INFO L226 Difference]: Without dead ends: 73 [2023-11-26 10:43:47,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:43:47,415 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 2 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:43:47,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 332 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:43:47,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-26 10:43:47,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-26 10:43:47,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 48 states have (on average 1.3541666666666667) internal successors, (65), 52 states have internal predecessors, (65), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-26 10:43:47,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 97 transitions. [2023-11-26 10:43:47,438 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 97 transitions. Word has length 32 [2023-11-26 10:43:47,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:43:47,439 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 97 transitions. [2023-11-26 10:43:47,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:43:47,439 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 97 transitions. [2023-11-26 10:43:47,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-26 10:43:47,440 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:47,441 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:47,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:43:47,441 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-26 10:43:47,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:47,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1935557898, now seen corresponding path program 1 times [2023-11-26 10:43:47,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:47,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784200480] [2023-11-26 10:43:47,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:47,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:47,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:43:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:47,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:43:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:47,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:43:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:47,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 10:43:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:47,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:43:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:47,611 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-26 10:43:47,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:47,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784200480] [2023-11-26 10:43:47,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784200480] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:47,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:43:47,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:43:47,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859560886] [2023-11-26 10:43:47,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:47,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:43:47,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:47,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:43:47,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:43:47,614 INFO L87 Difference]: Start difference. First operand 73 states and 97 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:43:47,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:47,704 INFO L93 Difference]: Finished difference Result 74 states and 98 transitions. [2023-11-26 10:43:47,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:43:47,705 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 33 [2023-11-26 10:43:47,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:43:47,706 INFO L225 Difference]: With dead ends: 74 [2023-11-26 10:43:47,707 INFO L226 Difference]: Without dead ends: 73 [2023-11-26 10:43:47,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:43:47,708 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 6 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:43:47,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 325 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:43:47,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-26 10:43:47,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 72. [2023-11-26 10:43:47,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 48 states have (on average 1.3333333333333333) internal successors, (64), 51 states have internal predecessors, (64), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-26 10:43:47,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 96 transitions. [2023-11-26 10:43:47,717 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 96 transitions. Word has length 33 [2023-11-26 10:43:47,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:43:47,718 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 96 transitions. [2023-11-26 10:43:47,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-26 10:43:47,718 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 96 transitions. [2023-11-26 10:43:47,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-26 10:43:47,720 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:47,720 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:47,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 10:43:47,729 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-26 10:43:47,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:47,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1470859408, now seen corresponding path program 1 times [2023-11-26 10:43:47,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:47,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107485609] [2023-11-26 10:43:47,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:47,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:47,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:43:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:47,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:43:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:47,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:43:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:47,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 10:43:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:47,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:43:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:47,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-26 10:43:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:47,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 10:43:47,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:47,887 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-26 10:43:47,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:47,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107485609] [2023-11-26 10:43:47,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107485609] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:43:47,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126879871] [2023-11-26 10:43:47,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:47,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:43:47,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:47,897 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:43:47,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 10:43:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:48,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:43:48,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:48,184 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-26 10:43:48,184 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:43:48,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126879871] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:48,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:43:48,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-26 10:43:48,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960786440] [2023-11-26 10:43:48,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:48,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:48,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:48,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:48,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:43:48,187 INFO L87 Difference]: Start difference. First operand 72 states and 96 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-26 10:43:48,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:48,220 INFO L93 Difference]: Finished difference Result 72 states and 96 transitions. [2023-11-26 10:43:48,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:48,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 42 [2023-11-26 10:43:48,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:43:48,223 INFO L225 Difference]: With dead ends: 72 [2023-11-26 10:43:48,223 INFO L226 Difference]: Without dead ends: 71 [2023-11-26 10:43:48,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:43:48,224 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 9 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:43:48,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 155 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:43:48,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-26 10:43:48,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-26 10:43:48,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 48 states have (on average 1.3125) internal successors, (63), 50 states have internal predecessors, (63), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-26 10:43:48,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 95 transitions. [2023-11-26 10:43:48,244 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 95 transitions. Word has length 42 [2023-11-26 10:43:48,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:43:48,246 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 95 transitions. [2023-11-26 10:43:48,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-26 10:43:48,246 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 95 transitions. [2023-11-26 10:43:48,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-26 10:43:48,251 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:48,252 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:48,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:48,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:43:48,458 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-26 10:43:48,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:48,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1647998461, now seen corresponding path program 1 times [2023-11-26 10:43:48,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:48,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241757398] [2023-11-26 10:43:48,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:48,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:48,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:43:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:48,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:43:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:48,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:43:48,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:48,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 10:43:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:48,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:43:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:48,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-26 10:43:48,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:48,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 10:43:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:48,643 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-26 10:43:48,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:48,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241757398] [2023-11-26 10:43:48,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241757398] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:43:48,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639584092] [2023-11-26 10:43:48,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:48,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:43:48,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:48,646 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:43:48,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 10:43:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:48,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:43:48,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:48,839 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-26 10:43:48,839 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:43:48,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639584092] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:48,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:43:48,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-26 10:43:48,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455457981] [2023-11-26 10:43:48,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:48,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:48,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:48,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:48,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:43:48,842 INFO L87 Difference]: Start difference. First operand 71 states and 95 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-26 10:43:48,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:48,882 INFO L93 Difference]: Finished difference Result 95 states and 124 transitions. [2023-11-26 10:43:48,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:48,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2023-11-26 10:43:48,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:43:48,886 INFO L225 Difference]: With dead ends: 95 [2023-11-26 10:43:48,886 INFO L226 Difference]: Without dead ends: 80 [2023-11-26 10:43:48,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:43:48,891 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 3 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:43:48,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 168 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:43:48,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-26 10:43:48,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2023-11-26 10:43:48,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 55 states have internal predecessors, (69), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-26 10:43:48,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 103 transitions. [2023-11-26 10:43:48,919 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 103 transitions. Word has length 43 [2023-11-26 10:43:48,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:43:48,921 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 103 transitions. [2023-11-26 10:43:48,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-26 10:43:48,921 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 103 transitions. [2023-11-26 10:43:48,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-26 10:43:48,922 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:48,922 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:48,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-26 10:43:49,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-26 10:43:49,129 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-26 10:43:49,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:49,129 INFO L85 PathProgramCache]: Analyzing trace with hash 484971058, now seen corresponding path program 1 times [2023-11-26 10:43:49,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:49,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977207402] [2023-11-26 10:43:49,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:49,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:49,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:43:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:49,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:43:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:49,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:43:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:49,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 10:43:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:49,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:43:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:49,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-26 10:43:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:49,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 10:43:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:49,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-26 10:43:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:49,278 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-26 10:43:49,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:49,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977207402] [2023-11-26 10:43:49,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977207402] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:43:49,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742095552] [2023-11-26 10:43:49,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:49,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:43:49,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:49,280 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:43:49,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 10:43:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:49,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:43:49,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:49,496 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-26 10:43:49,496 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:43:49,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742095552] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:49,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:43:49,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-26 10:43:49,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079695224] [2023-11-26 10:43:49,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:49,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:49,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:49,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:49,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:43:49,500 INFO L87 Difference]: Start difference. First operand 77 states and 103 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-26 10:43:49,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:49,536 INFO L93 Difference]: Finished difference Result 96 states and 123 transitions. [2023-11-26 10:43:49,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:49,537 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 49 [2023-11-26 10:43:49,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:43:49,539 INFO L225 Difference]: With dead ends: 96 [2023-11-26 10:43:49,539 INFO L226 Difference]: Without dead ends: 75 [2023-11-26 10:43:49,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:43:49,541 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 2 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:43:49,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 171 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:43:49,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-26 10:43:49,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2023-11-26 10:43:49,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 51 states have (on average 1.2745098039215685) internal successors, (65), 52 states have internal predecessors, (65), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-26 10:43:49,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 99 transitions. [2023-11-26 10:43:49,555 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 99 transitions. Word has length 49 [2023-11-26 10:43:49,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:43:49,557 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 99 transitions. [2023-11-26 10:43:49,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-26 10:43:49,558 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 99 transitions. [2023-11-26 10:43:49,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-26 10:43:49,563 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:49,563 INFO L195 NwaCegarLoop]: trace histogram [6, 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] [2023-11-26 10:43:49,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:49,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-26 10:43:49,769 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-26 10:43:49,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:49,769 INFO L85 PathProgramCache]: Analyzing trace with hash -38540858, now seen corresponding path program 1 times [2023-11-26 10:43:49,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:49,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173266615] [2023-11-26 10:43:49,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:49,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:49,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:43:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:49,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:43:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:49,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:43:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:49,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 10:43:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:49,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:43:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:49,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-26 10:43:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:49,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 10:43:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:49,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-26 10:43:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:49,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 10:43:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:49,987 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-26 10:43:49,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:49,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173266615] [2023-11-26 10:43:49,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173266615] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:43:49,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014071939] [2023-11-26 10:43:49,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:49,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:43:49,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:49,989 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:43:49,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 10:43:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:50,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:43:50,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:50,176 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-26 10:43:50,177 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:43:50,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014071939] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:50,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:43:50,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-26 10:43:50,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052179150] [2023-11-26 10:43:50,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:50,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:50,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:50,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:50,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:43:50,181 INFO L87 Difference]: Start difference. First operand 74 states and 99 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-26 10:43:50,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:50,206 INFO L93 Difference]: Finished difference Result 74 states and 99 transitions. [2023-11-26 10:43:50,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:50,206 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 53 [2023-11-26 10:43:50,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:43:50,207 INFO L225 Difference]: With dead ends: 74 [2023-11-26 10:43:50,208 INFO L226 Difference]: Without dead ends: 73 [2023-11-26 10:43:50,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:43:50,209 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 4 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:43:50,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 160 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:43:50,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-26 10:43:50,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-26 10:43:50,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 51 states have (on average 1.2549019607843137) internal successors, (64), 51 states have internal predecessors, (64), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-26 10:43:50,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 98 transitions. [2023-11-26 10:43:50,216 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 98 transitions. Word has length 53 [2023-11-26 10:43:50,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:43:50,217 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 98 transitions. [2023-11-26 10:43:50,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-26 10:43:50,217 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 98 transitions. [2023-11-26 10:43:50,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-26 10:43:50,218 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:50,218 INFO L195 NwaCegarLoop]: trace histogram [6, 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] [2023-11-26 10:43:50,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:50,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-26 10:43:50,425 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-26 10:43:50,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:50,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1194766422, now seen corresponding path program 1 times [2023-11-26 10:43:50,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:50,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695318] [2023-11-26 10:43:50,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:50,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:50,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:43:50,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:50,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:43:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:50,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:43:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:50,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 10:43:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:50,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:43:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:50,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-26 10:43:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:50,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 10:43:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:50,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-26 10:43:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:50,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 10:43:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:50,607 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-26 10:43:50,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:50,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695318] [2023-11-26 10:43:50,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695318] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:43:50,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501853887] [2023-11-26 10:43:50,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:50,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:43:50,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:50,609 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:43:50,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 10:43:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:50,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:43:50,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:50,790 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-26 10:43:50,791 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:43:50,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501853887] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:50,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:43:50,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2023-11-26 10:43:50,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888242711] [2023-11-26 10:43:50,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:50,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:50,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:50,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:50,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:43:50,793 INFO L87 Difference]: Start difference. First operand 73 states and 98 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-26 10:43:50,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:50,819 INFO L93 Difference]: Finished difference Result 80 states and 105 transitions. [2023-11-26 10:43:50,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:50,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 54 [2023-11-26 10:43:50,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:43:50,821 INFO L225 Difference]: With dead ends: 80 [2023-11-26 10:43:50,821 INFO L226 Difference]: Without dead ends: 73 [2023-11-26 10:43:50,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:43:50,822 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:43:50,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:43:50,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-26 10:43:50,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-26 10:43:50,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 51 states have (on average 1.2352941176470589) internal successors, (63), 51 states have internal predecessors, (63), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-26 10:43:50,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 97 transitions. [2023-11-26 10:43:50,829 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 97 transitions. Word has length 54 [2023-11-26 10:43:50,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:43:50,830 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 97 transitions. [2023-11-26 10:43:50,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-26 10:43:50,830 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 97 transitions. [2023-11-26 10:43:50,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-26 10:43:50,831 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:43:50,831 INFO L195 NwaCegarLoop]: trace histogram [6, 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] [2023-11-26 10:43:50,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:51,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:43:51,038 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-26 10:43:51,038 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:43:51,038 INFO L85 PathProgramCache]: Analyzing trace with hash -514708052, now seen corresponding path program 1 times [2023-11-26 10:43:51,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:43:51,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529002394] [2023-11-26 10:43:51,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:51,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:43:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:51,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-26 10:43:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:51,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 10:43:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:51,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-26 10:43:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:51,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-26 10:43:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:51,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 10:43:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:51,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-26 10:43:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:51,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 10:43:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:51,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-26 10:43:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:51,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 10:43:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:51,191 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-26 10:43:51,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:43:51,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529002394] [2023-11-26 10:43:51,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529002394] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 10:43:51,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584541314] [2023-11-26 10:43:51,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:43:51,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:43:51,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:43:51,193 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:43:51,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-26 10:43:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:43:51,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:43:51,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:43:51,381 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-11-26 10:43:51,381 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:43:51,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584541314] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:43:51,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:43:51,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2023-11-26 10:43:51,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293774994] [2023-11-26 10:43:51,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:43:51,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:43:51,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:43:51,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:43:51,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:43:51,384 INFO L87 Difference]: Start difference. First operand 73 states and 97 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-26 10:43:51,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:43:51,401 INFO L93 Difference]: Finished difference Result 73 states and 97 transitions. [2023-11-26 10:43:51,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:43:51,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 54 [2023-11-26 10:43:51,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:43:51,402 INFO L225 Difference]: With dead ends: 73 [2023-11-26 10:43:51,403 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 10:43:51,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:43:51,404 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:43:51,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 159 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:43:51,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 10:43:51,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 10:43:51,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:43:51,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 10:43:51,406 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2023-11-26 10:43:51,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:43:51,406 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:43:51,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-26 10:43:51,407 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 10:43:51,407 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 10:43:51,432 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-26 10:43:51,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-26 10:43:51,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-26 10:43:51,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-26 10:43:51,433 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-26 10:43:51,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-26 10:43:51,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-26 10:43:51,434 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-26 10:43:51,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-26 10:43:51,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-26 10:43:51,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 10:43:51,686 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-26 10:43:51,687 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-26 10:43:51,687 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-26 10:43:51,687 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-26 10:43:51,687 INFO L899 garLoopResultBuilder]: For program point staticReturnsFalseEXIT(lines 1552 1555) no Hoare annotation was computed. [2023-11-26 10:43:51,687 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1552 1555) the Hoare annotation is: true [2023-11-26 10:43:51,687 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-26 10:43:51,688 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-26 10:43:51,688 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1598) no Hoare annotation was computed. [2023-11-26 10:43:51,688 INFO L899 garLoopResultBuilder]: For program point L1629(lines 1629 1645) no Hoare annotation was computed. [2023-11-26 10:43:51,688 INFO L899 garLoopResultBuilder]: For program point L1596(lines 1596 1604) no Hoare annotation was computed. [2023-11-26 10:43:51,688 INFO L902 garLoopResultBuilder]: At program point L1588(line 1588) the Hoare annotation is: true [2023-11-26 10:43:51,688 INFO L899 garLoopResultBuilder]: For program point L1588-1(line 1588) no Hoare annotation was computed. [2023-11-26 10:43:51,689 INFO L899 garLoopResultBuilder]: For program point L1588-2(lines 1588 1591) no Hoare annotation was computed. [2023-11-26 10:43:51,689 INFO L902 garLoopResultBuilder]: At program point L1588-4(lines 1588 1591) the Hoare annotation is: true [2023-11-26 10:43:51,689 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1641) no Hoare annotation was computed. [2023-11-26 10:43:51,689 INFO L899 garLoopResultBuilder]: For program point L1572(lines 1572 1580) no Hoare annotation was computed. [2023-11-26 10:43:51,689 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1574) no Hoare annotation was computed. [2023-11-26 10:43:51,689 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2023-11-26 10:43:51,689 INFO L899 garLoopResultBuilder]: For program point L1564-1(lines 1564 1582) no Hoare annotation was computed. [2023-11-26 10:43:51,690 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1626) no Hoare annotation was computed. [2023-11-26 10:43:51,690 INFO L895 garLoopResultBuilder]: At program point L1614(line 1614) the Hoare annotation is: (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) [2023-11-26 10:43:51,690 INFO L899 garLoopResultBuilder]: For program point L1614-1(line 1614) no Hoare annotation was computed. [2023-11-26 10:43:51,690 INFO L899 garLoopResultBuilder]: For program point L1639(lines 1639 1643) no Hoare annotation was computed. [2023-11-26 10:43:51,690 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1574) no Hoare annotation was computed. [2023-11-26 10:43:51,691 INFO L899 garLoopResultBuilder]: For program point L1598(line 1598) no Hoare annotation was computed. [2023-11-26 10:43:51,691 INFO L899 garLoopResultBuilder]: For program point L1598-1(line 1598) no Hoare annotation was computed. [2023-11-26 10:43:51,691 INFO L902 garLoopResultBuilder]: At program point L1656(line 1656) the Hoare annotation is: true [2023-11-26 10:43:51,691 INFO L899 garLoopResultBuilder]: For program point L1656-1(line 1656) no Hoare annotation was computed. [2023-11-26 10:43:51,691 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 10:43:51,691 INFO L899 garLoopResultBuilder]: For program point L1574(line 1574) no Hoare annotation was computed. [2023-11-26 10:43:51,691 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2023-11-26 10:43:51,692 INFO L895 garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: (<= (+ (select (select |#memory_int#2| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 1) 0) [2023-11-26 10:43:51,692 INFO L902 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: true [2023-11-26 10:43:51,692 INFO L899 garLoopResultBuilder]: For program point L1599-1(line 1599) no Hoare annotation was computed. [2023-11-26 10:43:51,692 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2023-11-26 10:43:51,692 INFO L899 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2023-11-26 10:43:51,692 INFO L899 garLoopResultBuilder]: For program point L1624-1(line 1624) no Hoare annotation was computed. [2023-11-26 10:43:51,692 INFO L899 garLoopResultBuilder]: For program point L1641(line 1641) no Hoare annotation was computed. [2023-11-26 10:43:51,693 INFO L899 garLoopResultBuilder]: For program point L1608(lines 1608 1628) no Hoare annotation was computed. [2023-11-26 10:43:51,693 INFO L899 garLoopResultBuilder]: For program point L1641-1(line 1641) no Hoare annotation was computed. [2023-11-26 10:43:51,693 INFO L895 garLoopResultBuilder]: At program point L1575(line 1575) the Hoare annotation is: (<= (+ (select (select |#memory_int#1| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 1) 0) [2023-11-26 10:43:51,693 INFO L899 garLoopResultBuilder]: For program point L1575-1(line 1575) no Hoare annotation was computed. [2023-11-26 10:43:51,693 INFO L895 garLoopResultBuilder]: At program point L1633(line 1633) the Hoare annotation is: (<= 0 |ULTIMATE.start_goodG2B2_~data~3#1|) [2023-11-26 10:43:51,693 INFO L899 garLoopResultBuilder]: For program point L1633-1(line 1633) no Hoare annotation was computed. [2023-11-26 10:43:51,693 INFO L899 garLoopResultBuilder]: For program point L1633-2(lines 1633 1636) no Hoare annotation was computed. [2023-11-26 10:43:51,694 INFO L895 garLoopResultBuilder]: At program point L1633-4(lines 1633 1636) the Hoare annotation is: (or (= (+ |ULTIMATE.start_goodG2B2_~data~3#1| 2) 0) (< 0 (+ |ULTIMATE.start_goodG2B2_~data~3#1| 1))) [2023-11-26 10:43:51,694 INFO L902 garLoopResultBuilder]: At program point L1658(line 1658) the Hoare annotation is: true [2023-11-26 10:43:51,694 INFO L895 garLoopResultBuilder]: At program point L1625(line 1625) the Hoare annotation is: (< 0 (+ 3 |ULTIMATE.start_goodG2B1_~data~2#1|)) [2023-11-26 10:43:51,694 INFO L899 garLoopResultBuilder]: For program point L1658-1(line 1658) no Hoare annotation was computed. [2023-11-26 10:43:51,694 INFO L899 garLoopResultBuilder]: For program point L1592(line 1592) no Hoare annotation was computed. [2023-11-26 10:43:51,694 INFO L899 garLoopResultBuilder]: For program point L1625-1(line 1625) no Hoare annotation was computed. [2023-11-26 10:43:51,694 INFO L899 garLoopResultBuilder]: For program point L1592-1(lines 1592 1606) no Hoare annotation was computed. [2023-11-26 10:43:51,695 INFO L899 garLoopResultBuilder]: For program point L1592-2(lines 1592 1606) no Hoare annotation was computed. [2023-11-26 10:43:51,695 INFO L902 garLoopResultBuilder]: At program point L1642(line 1642) the Hoare annotation is: true [2023-11-26 10:43:51,695 INFO L899 garLoopResultBuilder]: For program point L1642-1(line 1642) no Hoare annotation was computed. [2023-11-26 10:43:51,695 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1624) no Hoare annotation was computed. [2023-11-26 10:43:51,695 INFO L902 garLoopResultBuilder]: At program point L1560(line 1560) the Hoare annotation is: true [2023-11-26 10:43:51,695 INFO L899 garLoopResultBuilder]: For program point L1560-1(line 1560) no Hoare annotation was computed. [2023-11-26 10:43:51,695 INFO L899 garLoopResultBuilder]: For program point L1560-2(lines 1560 1563) no Hoare annotation was computed. [2023-11-26 10:43:51,696 INFO L902 garLoopResultBuilder]: At program point L1560-4(lines 1560 1563) the Hoare annotation is: true [2023-11-26 10:43:51,696 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 10:43:51,696 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1624) no Hoare annotation was computed. [2023-11-26 10:43:51,696 INFO L899 garLoopResultBuilder]: For program point L1594(lines 1594 1605) no Hoare annotation was computed. [2023-11-26 10:43:51,696 INFO L895 garLoopResultBuilder]: At program point L1603(line 1603) the Hoare annotation is: (<= (+ (select (select |#memory_int#2| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 1) 0) [2023-11-26 10:43:51,696 INFO L899 garLoopResultBuilder]: For program point L1570(lines 1570 1581) no Hoare annotation was computed. [2023-11-26 10:43:51,696 INFO L899 garLoopResultBuilder]: For program point L1603-1(line 1603) no Hoare annotation was computed. [2023-11-26 10:43:51,697 INFO L899 garLoopResultBuilder]: For program point L1570-1(lines 1564 1582) no Hoare annotation was computed. [2023-11-26 10:43:51,697 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1598) no Hoare annotation was computed. [2023-11-26 10:43:51,697 INFO L899 garLoopResultBuilder]: For program point L1620(line 1620) no Hoare annotation was computed. [2023-11-26 10:43:51,697 INFO L899 garLoopResultBuilder]: For program point L1620-1(lines 1620 1627) no Hoare annotation was computed. [2023-11-26 10:43:51,697 INFO L895 garLoopResultBuilder]: At program point L1612(line 1612) the Hoare annotation is: (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) [2023-11-26 10:43:51,697 INFO L895 garLoopResultBuilder]: At program point L1579(line 1579) the Hoare annotation is: (<= (+ (select (select |#memory_int#1| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 1) 0) [2023-11-26 10:43:51,698 INFO L899 garLoopResultBuilder]: For program point L1612-1(line 1612) no Hoare annotation was computed. [2023-11-26 10:43:51,698 INFO L899 garLoopResultBuilder]: For program point L1579-1(line 1579) no Hoare annotation was computed. [2023-11-26 10:43:51,698 INFO L899 garLoopResultBuilder]: For program point L1612-2(lines 1612 1619) no Hoare annotation was computed. [2023-11-26 10:43:51,698 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1641) no Hoare annotation was computed. [2023-11-26 10:43:51,698 INFO L895 garLoopResultBuilder]: At program point L1612-4(lines 1612 1619) the Hoare annotation is: (or (< 0 (+ |ULTIMATE.start_goodG2B1_~data~2#1| 1)) (= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0)) [2023-11-26 10:43:51,698 INFO L899 garLoopResultBuilder]: For program point L1637(line 1637) no Hoare annotation was computed. [2023-11-26 10:43:51,698 INFO L899 garLoopResultBuilder]: For program point L1637-1(lines 1637 1644) no Hoare annotation was computed. [2023-11-26 10:43:51,699 INFO L899 garLoopResultBuilder]: For program point staticReturnsTrueEXIT(lines 1548 1551) no Hoare annotation was computed. [2023-11-26 10:43:51,699 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1548 1551) the Hoare annotation is: true [2023-11-26 10:43:51,703 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:43:51,705 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:43:51,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:43:51 BoogieIcfgContainer [2023-11-26 10:43:51,711 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:43:51,712 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:43:51,712 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:43:51,713 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:43:51,713 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:43:45" (3/4) ... [2023-11-26 10:43:51,715 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 10:43:51,719 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-26 10:43:51,720 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2023-11-26 10:43:51,720 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-26 10:43:51,720 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2023-11-26 10:43:51,732 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-26 10:43:51,732 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-26 10:43:51,733 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 10:43:51,733 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 10:43:51,871 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:43:51,872 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 10:43:51,872 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:43:51,873 INFO L158 Benchmark]: Toolchain (without parser) took 8538.61ms. Allocated memory was 157.3MB in the beginning and 255.9MB in the end (delta: 98.6MB). Free memory was 108.7MB in the beginning and 204.3MB in the end (delta: -95.6MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2023-11-26 10:43:51,873 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 71.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:43:51,874 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1428.92ms. Allocated memory is still 157.3MB. Free memory was 108.5MB in the beginning and 91.2MB in the end (delta: 17.3MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2023-11-26 10:43:51,874 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.63ms. Allocated memory is still 157.3MB. Free memory was 91.2MB in the beginning and 87.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:43:51,875 INFO L158 Benchmark]: Boogie Preprocessor took 85.71ms. Allocated memory is still 157.3MB. Free memory was 87.6MB in the beginning and 85.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:43:51,875 INFO L158 Benchmark]: RCFGBuilder took 607.48ms. Allocated memory was 157.3MB in the beginning and 211.8MB in the end (delta: 54.5MB). Free memory was 84.9MB in the beginning and 170.8MB in the end (delta: -85.9MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2023-11-26 10:43:51,877 INFO L158 Benchmark]: TraceAbstraction took 6175.72ms. Allocated memory was 211.8MB in the beginning and 255.9MB in the end (delta: 44.0MB). Free memory was 169.7MB in the beginning and 210.6MB in the end (delta: -40.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:43:51,877 INFO L158 Benchmark]: Witness Printer took 160.24ms. Allocated memory is still 255.9MB. Free memory was 210.6MB in the beginning and 204.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 10:43:51,880 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 119.5MB. Free memory is still 71.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1428.92ms. Allocated memory is still 157.3MB. Free memory was 108.5MB in the beginning and 91.2MB in the end (delta: 17.3MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.63ms. Allocated memory is still 157.3MB. Free memory was 91.2MB in the beginning and 87.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.71ms. Allocated memory is still 157.3MB. Free memory was 87.6MB in the beginning and 85.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 607.48ms. Allocated memory was 157.3MB in the beginning and 211.8MB in the end (delta: 54.5MB). Free memory was 84.9MB in the beginning and 170.8MB in the end (delta: -85.9MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * TraceAbstraction took 6175.72ms. Allocated memory was 211.8MB in the beginning and 255.9MB in the end (delta: 44.0MB). Free memory was 169.7MB in the beginning and 210.6MB in the end (delta: -40.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 160.24ms. Allocated memory is still 255.9MB. Free memory was 210.6MB in the beginning and 204.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1624]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1624]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 82 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 10, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 2341 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1471 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 319 IncrementalHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 870 mSDtfsCounter, 319 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 455 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred in iteration=0, InterpolantAutomatonStates: 38, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 6 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 43 PreInvPairs, 48 NumberOfFragments, 84 HoareAnnotationTreeSize, 43 FomulaSimplifications, 50 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 696 NumberOfCodeBlocks, 696 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 680 ConstructedInterpolants, 0 QuantifiedInterpolants, 912 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1515 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 284/296 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-26 10:43:51,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3ff53da-ebe8-430c-89d8-c97af4d79af8/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE