/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 11:33:31,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 11:33:31,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 11:33:31,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 11:33:31,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 11:33:31,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 11:33:31,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 11:33:31,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 11:33:31,838 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 11:33:31,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 11:33:31,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 11:33:31,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 11:33:31,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 11:33:31,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 11:33:31,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 11:33:31,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 11:33:31,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 11:33:31,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 11:33:31,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 11:33:31,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 11:33:31,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 11:33:31,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 11:33:31,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 11:33:31,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 11:33:31,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 11:33:31,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 11:33:31,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 11:33:31,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 11:33:31,895 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 11:33:31,925 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 11:33:31,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 11:33:31,926 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 11:33:31,926 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 11:33:31,927 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 11:33:31,928 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 11:33:31,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 11:33:31,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 11:33:31,929 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 11:33:31,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 11:33:31,929 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 11:33:31,930 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 11:33:31,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 11:33:31,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 11:33:31,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 11:33:31,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 11:33:31,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 11:33:31,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 11:33:31,931 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 11:33:31,931 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 11:33:31,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 11:33:31,932 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 11:33:31,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 11:33:31,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 11:33:31,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 11:33:31,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 11:33:31,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 11:33:31,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 11:33:31,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 11:33:31,934 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 11:33:31,934 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 11:33:31,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 11:33:31,934 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 11:33:31,935 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 11:33:32,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 11:33:32,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 11:33:32,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 11:33:32,348 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 11:33:32,349 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 11:33:32,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i [2022-10-16 11:33:32,435 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee3b37491/07c13c18410141b6862f04dcdef9b640/FLAG42cac6724 [2022-10-16 11:33:33,270 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 11:33:33,271 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i [2022-10-16 11:33:33,321 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee3b37491/07c13c18410141b6862f04dcdef9b640/FLAG42cac6724 [2022-10-16 11:33:33,393 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee3b37491/07c13c18410141b6862f04dcdef9b640 [2022-10-16 11:33:33,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 11:33:33,404 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 11:33:33,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 11:33:33,406 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 11:33:33,411 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 11:33:33,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:33:33" (1/1) ... [2022-10-16 11:33:33,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56e0e1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:33, skipping insertion in model container [2022-10-16 11:33:33,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:33:33" (1/1) ... [2022-10-16 11:33:33,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 11:33:33,520 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 11:33:33,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i[457,470] [2022-10-16 11:33:35,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 11:33:35,318 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 11:33:35,333 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inb_p.i[457,470] [2022-10-16 11:33:35,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 11:33:35,800 INFO L208 MainTranslator]: Completed translation [2022-10-16 11:33:35,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:35 WrapperNode [2022-10-16 11:33:35,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 11:33:35,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 11:33:35,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 11:33:35,810 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 11:33:35,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:35" (1/1) ... [2022-10-16 11:33:35,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:35" (1/1) ... [2022-10-16 11:33:36,074 INFO L138 Inliner]: procedures = 474, calls = 839, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 1025 [2022-10-16 11:33:36,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 11:33:36,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 11:33:36,078 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 11:33:36,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 11:33:36,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:35" (1/1) ... [2022-10-16 11:33:36,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:35" (1/1) ... [2022-10-16 11:33:36,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:35" (1/1) ... [2022-10-16 11:33:36,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:35" (1/1) ... [2022-10-16 11:33:36,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:35" (1/1) ... [2022-10-16 11:33:36,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:35" (1/1) ... [2022-10-16 11:33:36,254 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:35" (1/1) ... [2022-10-16 11:33:36,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:35" (1/1) ... [2022-10-16 11:33:36,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 11:33:36,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 11:33:36,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 11:33:36,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 11:33:36,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:35" (1/1) ... [2022-10-16 11:33:36,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 11:33:36,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:33:36,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 11:33:36,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 11:33:36,402 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-10-16 11:33:36,403 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-10-16 11:33:36,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-16 11:33:36,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-10-16 11:33:36,404 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 11:33:36,404 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 11:33:36,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 11:33:36,404 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-16 11:33:36,404 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-16 11:33:36,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-16 11:33:36,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-10-16 11:33:36,405 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-10-16 11:33:36,405 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-10-16 11:33:36,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 11:33:36,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 11:33:36,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 11:33:36,406 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-10-16 11:33:36,407 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-10-16 11:33:36,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 11:33:36,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 11:33:36,407 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 11:33:36,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 11:33:36,407 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-10-16 11:33:36,407 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-10-16 11:33:36,408 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-10-16 11:33:36,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-10-16 11:33:36,408 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-10-16 11:33:36,408 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-10-16 11:33:36,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 11:33:36,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 11:33:36,408 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-10-16 11:33:36,409 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-10-16 11:33:36,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 11:33:36,409 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 11:33:36,409 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 11:33:36,409 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-10-16 11:33:36,409 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-10-16 11:33:36,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 11:33:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 11:33:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-16 11:33:36,410 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-16 11:33:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-10-16 11:33:36,410 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-10-16 11:33:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-16 11:33:36,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-16 11:33:36,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 11:33:36,411 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-10-16 11:33:36,411 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-10-16 11:33:36,411 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-10-16 11:33:36,411 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-10-16 11:33:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-10-16 11:33:36,412 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-10-16 11:33:36,412 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-10-16 11:33:36,413 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-10-16 11:33:36,413 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-10-16 11:33:36,414 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-10-16 11:33:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-10-16 11:33:36,414 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-10-16 11:33:36,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 11:33:36,415 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-10-16 11:33:36,415 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-10-16 11:33:36,415 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-10-16 11:33:36,415 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-10-16 11:33:36,416 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-10-16 11:33:36,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-10-16 11:33:36,416 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-16 11:33:36,417 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-16 11:33:36,417 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 11:33:36,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 11:33:36,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 11:33:36,919 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 11:33:36,922 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 11:33:39,147 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 11:33:39,159 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 11:33:39,159 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-16 11:33:39,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:33:39 BoogieIcfgContainer [2022-10-16 11:33:39,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 11:33:39,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 11:33:39,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 11:33:39,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 11:33:39,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:33:33" (1/3) ... [2022-10-16 11:33:39,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac267ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:33:39, skipping insertion in model container [2022-10-16 11:33:39,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:35" (2/3) ... [2022-10-16 11:33:39,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ac267ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:33:39, skipping insertion in model container [2022-10-16 11:33:39,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:33:39" (3/3) ... [2022-10-16 11:33:39,173 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inb_p.i [2022-10-16 11:33:39,196 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 11:33:39,197 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-10-16 11:33:39,270 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 11:33:39,279 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1677187f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 11:33:39,280 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-10-16 11:33:39,289 INFO L276 IsEmpty]: Start isEmpty. Operand has 380 states, 259 states have (on average 1.3976833976833978) internal successors, (362), 280 states have internal predecessors, (362), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2022-10-16 11:33:39,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 11:33:39,299 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:39,299 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:33:39,300 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 11:33:39,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:39,307 INFO L85 PathProgramCache]: Analyzing trace with hash -812033716, now seen corresponding path program 1 times [2022-10-16 11:33:39,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:39,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499378985] [2022-10-16 11:33:39,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:39,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:39,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:40,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:40,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:33:40,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:40,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499378985] [2022-10-16 11:33:40,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499378985] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:33:40,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:33:40,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:33:40,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898530156] [2022-10-16 11:33:40,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:33:40,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 11:33:40,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:40,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 11:33:40,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:33:40,198 INFO L87 Difference]: Start difference. First operand has 380 states, 259 states have (on average 1.3976833976833978) internal successors, (362), 280 states have internal predecessors, (362), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:33:41,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:33:41,431 INFO L93 Difference]: Finished difference Result 770 states and 1058 transitions. [2022-10-16 11:33:41,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 11:33:41,435 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-10-16 11:33:41,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:33:41,471 INFO L225 Difference]: With dead ends: 770 [2022-10-16 11:33:41,474 INFO L226 Difference]: Without dead ends: 386 [2022-10-16 11:33:41,484 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 11:33:41,491 INFO L413 NwaCegarLoop]: 487 mSDtfsCounter, 91 mSDsluCounter, 1034 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 1521 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:33:41,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 1521 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 11:33:41,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2022-10-16 11:33:41,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 373. [2022-10-16 11:33:41,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 256 states have (on average 1.375) internal successors, (352), 276 states have internal predecessors, (352), 75 states have call successors, (75), 26 states have call predecessors, (75), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-10-16 11:33:41,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 502 transitions. [2022-10-16 11:33:41,641 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 502 transitions. Word has length 10 [2022-10-16 11:33:41,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:33:41,642 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 502 transitions. [2022-10-16 11:33:41,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:33:41,643 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 502 transitions. [2022-10-16 11:33:41,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 11:33:41,645 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:41,645 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:33:41,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 11:33:41,646 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 11:33:41,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:41,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1172939528, now seen corresponding path program 1 times [2022-10-16 11:33:41,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:41,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525351186] [2022-10-16 11:33:41,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:41,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:41,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:42,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:42,025 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 11:33:42,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:42,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525351186] [2022-10-16 11:33:42,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525351186] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:33:42,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:33:42,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:33:42,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866508218] [2022-10-16 11:33:42,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:33:42,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 11:33:42,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:42,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 11:33:42,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:33:42,031 INFO L87 Difference]: Start difference. First operand 373 states and 502 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:33:43,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:33:43,003 INFO L93 Difference]: Finished difference Result 381 states and 512 transitions. [2022-10-16 11:33:43,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 11:33:43,004 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-10-16 11:33:43,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:33:43,008 INFO L225 Difference]: With dead ends: 381 [2022-10-16 11:33:43,008 INFO L226 Difference]: Without dead ends: 380 [2022-10-16 11:33:43,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 11:33:43,011 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 93 mSDsluCounter, 987 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 1456 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 11:33:43,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 1456 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 11:33:43,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2022-10-16 11:33:43,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 372. [2022-10-16 11:33:43,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 256 states have (on average 1.37109375) internal successors, (351), 275 states have internal predecessors, (351), 75 states have call successors, (75), 26 states have call predecessors, (75), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-10-16 11:33:43,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 501 transitions. [2022-10-16 11:33:43,040 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 501 transitions. Word has length 14 [2022-10-16 11:33:43,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:33:43,040 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 501 transitions. [2022-10-16 11:33:43,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:33:43,041 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 501 transitions. [2022-10-16 11:33:43,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-16 11:33:43,042 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:43,042 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:33:43,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 11:33:43,042 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 11:33:43,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:43,043 INFO L85 PathProgramCache]: Analyzing trace with hash 2001387251, now seen corresponding path program 1 times [2022-10-16 11:33:43,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:43,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189451489] [2022-10-16 11:33:43,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:43,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:43,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:43,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:33:43,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:43,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189451489] [2022-10-16 11:33:43,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189451489] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:33:43,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081267322] [2022-10-16 11:33:43,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:43,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:33:43,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:33:43,394 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:33:43,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 11:33:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:43,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 11:33:43,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:33:43,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:33:43,780 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:33:43,780 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081267322] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:33:43,780 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 11:33:43,781 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2022-10-16 11:33:43,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718650947] [2022-10-16 11:33:43,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:33:43,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 11:33:43,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:43,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 11:33:43,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 11:33:43,783 INFO L87 Difference]: Start difference. First operand 372 states and 501 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:33:43,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:33:43,923 INFO L93 Difference]: Finished difference Result 377 states and 506 transitions. [2022-10-16 11:33:43,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 11:33:43,923 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-10-16 11:33:43,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:33:43,927 INFO L225 Difference]: With dead ends: 377 [2022-10-16 11:33:43,927 INFO L226 Difference]: Without dead ends: 376 [2022-10-16 11:33:43,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-10-16 11:33:43,929 INFO L413 NwaCegarLoop]: 488 mSDtfsCounter, 351 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 1262 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:33:43,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 1262 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 11:33:43,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2022-10-16 11:33:43,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 368. [2022-10-16 11:33:43,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 253 states have (on average 1.3715415019762847) internal successors, (347), 271 states have internal predecessors, (347), 75 states have call successors, (75), 26 states have call predecessors, (75), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-10-16 11:33:43,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 497 transitions. [2022-10-16 11:33:43,954 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 497 transitions. Word has length 15 [2022-10-16 11:33:43,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:33:43,954 INFO L495 AbstractCegarLoop]: Abstraction has 368 states and 497 transitions. [2022-10-16 11:33:43,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:33:43,955 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 497 transitions. [2022-10-16 11:33:43,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 11:33:43,955 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:43,955 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:33:44,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 11:33:44,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:33:44,172 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 11:33:44,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:44,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1911868078, now seen corresponding path program 1 times [2022-10-16 11:33:44,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:44,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194143537] [2022-10-16 11:33:44,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:44,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:44,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:44,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:33:44,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:44,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194143537] [2022-10-16 11:33:44,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194143537] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:33:44,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143311591] [2022-10-16 11:33:44,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:44,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:33:44,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:33:44,463 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:33:44,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 11:33:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:44,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 11:33:44,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:33:44,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:33:44,821 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:33:44,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 11:33:44,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143311591] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:33:44,881 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 11:33:44,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2022-10-16 11:33:44,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761698354] [2022-10-16 11:33:44,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 11:33:44,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 11:33:44,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:44,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 11:33:44,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-10-16 11:33:44,885 INFO L87 Difference]: Start difference. First operand 368 states and 497 transitions. Second operand has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:33:45,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:33:45,917 INFO L93 Difference]: Finished difference Result 748 states and 1008 transitions. [2022-10-16 11:33:45,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 11:33:45,918 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-10-16 11:33:45,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:33:45,922 INFO L225 Difference]: With dead ends: 748 [2022-10-16 11:33:45,922 INFO L226 Difference]: Without dead ends: 389 [2022-10-16 11:33:45,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-10-16 11:33:45,925 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 109 mSDsluCounter, 1737 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 2206 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 11:33:45,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 2206 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 11:33:45,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2022-10-16 11:33:45,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 376. [2022-10-16 11:33:45,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 261 states have (on average 1.3601532567049808) internal successors, (355), 279 states have internal predecessors, (355), 75 states have call successors, (75), 26 states have call predecessors, (75), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-10-16 11:33:45,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 505 transitions. [2022-10-16 11:33:45,950 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 505 transitions. Word has length 16 [2022-10-16 11:33:45,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:33:45,951 INFO L495 AbstractCegarLoop]: Abstraction has 376 states and 505 transitions. [2022-10-16 11:33:45,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.3636363636363638) internal successors, (26), 10 states have internal predecessors, (26), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:33:45,951 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 505 transitions. [2022-10-16 11:33:45,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-16 11:33:45,952 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:45,952 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:33:45,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 11:33:46,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-10-16 11:33:46,169 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 11:33:46,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:46,170 INFO L85 PathProgramCache]: Analyzing trace with hash -847632858, now seen corresponding path program 2 times [2022-10-16 11:33:46,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:46,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435959702] [2022-10-16 11:33:46,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:46,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:46,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:46,470 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 11:33:46,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:46,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435959702] [2022-10-16 11:33:46,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435959702] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:33:46,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:33:46,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:33:46,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767313750] [2022-10-16 11:33:46,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:33:46,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 11:33:46,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:46,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 11:33:46,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:33:46,473 INFO L87 Difference]: Start difference. First operand 376 states and 505 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:33:47,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:33:47,284 INFO L93 Difference]: Finished difference Result 389 states and 520 transitions. [2022-10-16 11:33:47,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 11:33:47,284 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-10-16 11:33:47,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:33:47,288 INFO L225 Difference]: With dead ends: 389 [2022-10-16 11:33:47,288 INFO L226 Difference]: Without dead ends: 387 [2022-10-16 11:33:47,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 11:33:47,289 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 89 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 1458 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 11:33:47,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 1458 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 11:33:47,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2022-10-16 11:33:47,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 379. [2022-10-16 11:33:47,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 264 states have (on average 1.356060606060606) internal successors, (358), 282 states have internal predecessors, (358), 75 states have call successors, (75), 26 states have call predecessors, (75), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-10-16 11:33:47,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 508 transitions. [2022-10-16 11:33:47,310 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 508 transitions. Word has length 24 [2022-10-16 11:33:47,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:33:47,311 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 508 transitions. [2022-10-16 11:33:47,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:33:47,311 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 508 transitions. [2022-10-16 11:33:47,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-16 11:33:47,312 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:47,312 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:33:47,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 11:33:47,313 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 11:33:47,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:47,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1702041758, now seen corresponding path program 1 times [2022-10-16 11:33:47,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:47,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634598559] [2022-10-16 11:33:47,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:47,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:47,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:47,574 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 11:33:47,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:47,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634598559] [2022-10-16 11:33:47,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634598559] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:33:47,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324113991] [2022-10-16 11:33:47,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:47,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:33:47,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:33:47,577 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:33:47,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 11:33:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:47,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 11:33:47,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:33:48,000 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 11:33:48,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:33:48,144 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 11:33:48,144 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324113991] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:33:48,145 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 11:33:48,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 9] total 20 [2022-10-16 11:33:48,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774975801] [2022-10-16 11:33:48,146 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 11:33:48,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-10-16 11:33:48,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:48,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-10-16 11:33:48,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2022-10-16 11:33:48,148 INFO L87 Difference]: Start difference. First operand 379 states and 508 transitions. Second operand has 20 states, 20 states have (on average 2.55) internal successors, (51), 19 states have internal predecessors, (51), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:33:49,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:33:49,487 INFO L93 Difference]: Finished difference Result 760 states and 1022 transitions. [2022-10-16 11:33:49,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-16 11:33:49,488 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 19 states have internal predecessors, (51), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-10-16 11:33:49,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:33:49,491 INFO L225 Difference]: With dead ends: 760 [2022-10-16 11:33:49,492 INFO L226 Difference]: Without dead ends: 398 [2022-10-16 11:33:49,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=190, Invalid=566, Unknown=0, NotChecked=0, Total=756 [2022-10-16 11:33:49,495 INFO L413 NwaCegarLoop]: 464 mSDtfsCounter, 643 mSDsluCounter, 2477 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 2941 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:33:49,495 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 2941 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 942 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 11:33:49,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2022-10-16 11:33:49,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 390. [2022-10-16 11:33:49,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 277 states have (on average 1.3285198555956679) internal successors, (368), 293 states have internal predecessors, (368), 75 states have call successors, (75), 26 states have call predecessors, (75), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-10-16 11:33:49,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 518 transitions. [2022-10-16 11:33:49,519 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 518 transitions. Word has length 28 [2022-10-16 11:33:49,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:33:49,520 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 518 transitions. [2022-10-16 11:33:49,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 19 states have internal predecessors, (51), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 11:33:49,520 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 518 transitions. [2022-10-16 11:33:49,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 11:33:49,523 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:49,524 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:33:49,568 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 11:33:49,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:33:49,738 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 11:33:49,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:49,739 INFO L85 PathProgramCache]: Analyzing trace with hash -178024015, now seen corresponding path program 1 times [2022-10-16 11:33:49,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:49,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187779301] [2022-10-16 11:33:49,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:49,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:50,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:50,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 11:33:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:50,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 11:33:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:50,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:33:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:50,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 11:33:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:50,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 11:33:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:50,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-16 11:33:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:50,218 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-10-16 11:33:50,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:50,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187779301] [2022-10-16 11:33:50,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187779301] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:33:50,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:33:50,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:33:50,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226657394] [2022-10-16 11:33:50,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:33:50,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 11:33:50,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:50,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 11:33:50,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:33:50,221 INFO L87 Difference]: Start difference. First operand 390 states and 518 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 11:33:51,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:33:51,279 INFO L93 Difference]: Finished difference Result 998 states and 1350 transitions. [2022-10-16 11:33:51,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 11:33:51,279 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (7), 2 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 79 [2022-10-16 11:33:51,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:33:51,285 INFO L225 Difference]: With dead ends: 998 [2022-10-16 11:33:51,286 INFO L226 Difference]: Without dead ends: 682 [2022-10-16 11:33:51,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 11:33:51,289 INFO L413 NwaCegarLoop]: 511 mSDtfsCounter, 503 mSDsluCounter, 981 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 1492 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 179 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 11:33:51,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 1492 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 11:33:51,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2022-10-16 11:33:51,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 660. [2022-10-16 11:33:51,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 471 states have (on average 1.346072186836518) internal successors, (634), 489 states have internal predecessors, (634), 132 states have call successors, (132), 47 states have call predecessors, (132), 47 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2022-10-16 11:33:51,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 898 transitions. [2022-10-16 11:33:51,336 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 898 transitions. Word has length 79 [2022-10-16 11:33:51,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:33:51,337 INFO L495 AbstractCegarLoop]: Abstraction has 660 states and 898 transitions. [2022-10-16 11:33:51,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-10-16 11:33:51,337 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 898 transitions. [2022-10-16 11:33:51,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 11:33:51,340 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:51,341 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:33:51,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 11:33:51,341 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 11:33:51,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:51,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1159789199, now seen corresponding path program 1 times [2022-10-16 11:33:51,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:51,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96891046] [2022-10-16 11:33:51,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:51,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:52,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:52,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 11:33:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:52,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 11:33:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:52,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:33:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:52,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 11:33:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:52,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 11:33:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:52,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 11:33:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:52,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-10-16 11:33:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:52,366 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-16 11:33:52,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:52,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96891046] [2022-10-16 11:33:52,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96891046] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:33:52,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437424895] [2022-10-16 11:33:52,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:52,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:33:52,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:33:52,371 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 11:33:52,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 11:33:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:52,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 1073 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-16 11:33:52,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:33:52,854 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-16 11:33:52,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:33:53,074 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-16 11:33:53,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437424895] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:33:53,075 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 11:33:53,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 24 [2022-10-16 11:33:53,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205427962] [2022-10-16 11:33:53,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 11:33:53,076 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-10-16 11:33:53,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:53,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-10-16 11:33:53,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2022-10-16 11:33:53,078 INFO L87 Difference]: Start difference. First operand 660 states and 898 transitions. Second operand has 24 states, 24 states have (on average 3.9166666666666665) internal successors, (94), 23 states have internal predecessors, (94), 2 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 11:33:54,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:33:54,177 INFO L93 Difference]: Finished difference Result 1315 states and 1796 transitions. [2022-10-16 11:33:54,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-16 11:33:54,178 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 3.9166666666666665) internal successors, (94), 23 states have internal predecessors, (94), 2 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 91 [2022-10-16 11:33:54,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:33:54,184 INFO L225 Difference]: With dead ends: 1315 [2022-10-16 11:33:54,184 INFO L226 Difference]: Without dead ends: 688 [2022-10-16 11:33:54,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 180 SyntacticMatches, 11 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=300, Invalid=756, Unknown=0, NotChecked=0, Total=1056 [2022-10-16 11:33:54,188 INFO L413 NwaCegarLoop]: 464 mSDtfsCounter, 156 mSDsluCounter, 1721 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 2185 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 11:33:54,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 2185 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 11:33:54,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2022-10-16 11:33:54,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 672. [2022-10-16 11:33:54,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 483 states have (on average 1.3374741200828157) internal successors, (646), 501 states have internal predecessors, (646), 132 states have call successors, (132), 47 states have call predecessors, (132), 47 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2022-10-16 11:33:54,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 910 transitions. [2022-10-16 11:33:54,243 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 910 transitions. Word has length 91 [2022-10-16 11:33:54,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:33:54,243 INFO L495 AbstractCegarLoop]: Abstraction has 672 states and 910 transitions. [2022-10-16 11:33:54,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 3.9166666666666665) internal successors, (94), 23 states have internal predecessors, (94), 2 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 11:33:54,244 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 910 transitions. [2022-10-16 11:33:54,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 11:33:54,247 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:54,247 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:33:54,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 11:33:54,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:33:54,463 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 11:33:54,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:54,464 INFO L85 PathProgramCache]: Analyzing trace with hash -784019267, now seen corresponding path program 2 times [2022-10-16 11:33:54,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:54,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715033803] [2022-10-16 11:33:54,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:54,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:54,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:54,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:54,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 11:33:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:54,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 11:33:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:54,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:33:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:54,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-16 11:33:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:54,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-16 11:33:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:54,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 11:33:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:54,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 11:33:54,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:54,872 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2022-10-16 11:33:54,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:54,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715033803] [2022-10-16 11:33:54,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715033803] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:33:54,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:33:54,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 11:33:54,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266327037] [2022-10-16 11:33:54,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:33:54,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 11:33:54,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:54,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 11:33:54,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 11:33:54,876 INFO L87 Difference]: Start difference. First operand 672 states and 910 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 11:33:55,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:33:55,858 INFO L93 Difference]: Finished difference Result 698 states and 930 transitions. [2022-10-16 11:33:55,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 11:33:55,859 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 103 [2022-10-16 11:33:55,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:33:55,863 INFO L225 Difference]: With dead ends: 698 [2022-10-16 11:33:55,863 INFO L226 Difference]: Without dead ends: 418 [2022-10-16 11:33:55,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-10-16 11:33:55,866 INFO L413 NwaCegarLoop]: 468 mSDtfsCounter, 86 mSDsluCounter, 1367 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 1835 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 11:33:55,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 1835 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 11:33:55,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2022-10-16 11:33:55,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 410. [2022-10-16 11:33:55,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 296 states have (on average 1.2939189189189189) internal successors, (383), 310 states have internal predecessors, (383), 75 states have call successors, (75), 29 states have call predecessors, (75), 29 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-10-16 11:33:55,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 533 transitions. [2022-10-16 11:33:55,892 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 533 transitions. Word has length 103 [2022-10-16 11:33:55,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:33:55,892 INFO L495 AbstractCegarLoop]: Abstraction has 410 states and 533 transitions. [2022-10-16 11:33:55,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 11:33:55,893 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 533 transitions. [2022-10-16 11:33:55,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 11:33:55,895 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:55,895 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:33:55,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 11:33:55,896 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 11:33:55,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:55,896 INFO L85 PathProgramCache]: Analyzing trace with hash -902443541, now seen corresponding path program 1 times [2022-10-16 11:33:55,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:55,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089363636] [2022-10-16 11:33:55,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:55,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:56,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:56,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 11:33:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:56,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 11:33:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:56,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:33:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:56,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 11:33:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:56,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 11:33:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:56,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 11:33:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:56,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 11:33:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:56,505 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2022-10-16 11:33:56,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:56,506 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089363636] [2022-10-16 11:33:56,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089363636] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:33:56,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:33:56,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:33:56,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632255520] [2022-10-16 11:33:56,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:33:56,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 11:33:56,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:56,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 11:33:56,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:33:56,508 INFO L87 Difference]: Start difference. First operand 410 states and 533 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 11:33:57,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:33:57,534 INFO L93 Difference]: Finished difference Result 885 states and 1157 transitions. [2022-10-16 11:33:57,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 11:33:57,535 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 102 [2022-10-16 11:33:57,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:33:57,542 INFO L225 Difference]: With dead ends: 885 [2022-10-16 11:33:57,543 INFO L226 Difference]: Without dead ends: 566 [2022-10-16 11:33:57,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 11:33:57,546 INFO L413 NwaCegarLoop]: 511 mSDtfsCounter, 261 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 1479 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 11:33:57,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 1479 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 11:33:57,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2022-10-16 11:33:57,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 550. [2022-10-16 11:33:57,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 391 states have (on average 1.2659846547314577) internal successors, (495), 405 states have internal predecessors, (495), 105 states have call successors, (105), 45 states have call predecessors, (105), 46 states have return successors, (106), 106 states have call predecessors, (106), 105 states have call successors, (106) [2022-10-16 11:33:57,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 706 transitions. [2022-10-16 11:33:57,589 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 706 transitions. Word has length 102 [2022-10-16 11:33:57,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:33:57,590 INFO L495 AbstractCegarLoop]: Abstraction has 550 states and 706 transitions. [2022-10-16 11:33:57,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-10-16 11:33:57,591 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 706 transitions. [2022-10-16 11:33:57,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 11:33:57,595 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:57,595 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:33:57,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 11:33:57,595 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 11:33:57,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:57,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1822031, now seen corresponding path program 1 times [2022-10-16 11:33:57,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:57,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231896494] [2022-10-16 11:33:57,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:57,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:58,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:58,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 11:33:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:58,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 11:33:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:58,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:33:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:58,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 11:33:58,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:58,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 11:33:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:58,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 11:33:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:58,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 11:33:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:58,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:33:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:58,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 11:33:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:58,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 11:33:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:58,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 11:33:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:58,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-10-16 11:33:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:58,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:33:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:58,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 11:33:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:58,391 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-10-16 11:33:58,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:58,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231896494] [2022-10-16 11:33:58,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231896494] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:33:58,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:33:58,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 11:33:58,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815172070] [2022-10-16 11:33:58,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:33:58,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 11:33:58,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:58,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 11:33:58,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 11:33:58,395 INFO L87 Difference]: Start difference. First operand 550 states and 706 transitions. Second operand has 7 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 11:34:00,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:34:00,939 INFO L93 Difference]: Finished difference Result 1340 states and 1756 transitions. [2022-10-16 11:34:00,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 11:34:00,939 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 137 [2022-10-16 11:34:00,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:34:00,949 INFO L225 Difference]: With dead ends: 1340 [2022-10-16 11:34:00,949 INFO L226 Difference]: Without dead ends: 954 [2022-10-16 11:34:00,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-10-16 11:34:00,952 INFO L413 NwaCegarLoop]: 448 mSDtfsCounter, 914 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 975 mSolverCounterSat, 606 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 962 SdHoareTripleChecker+Valid, 1100 SdHoareTripleChecker+Invalid, 1581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 606 IncrementalHoareTripleChecker+Valid, 975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-16 11:34:00,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [962 Valid, 1100 Invalid, 1581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [606 Valid, 975 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-16 11:34:00,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2022-10-16 11:34:01,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 924. [2022-10-16 11:34:01,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 655 states have (on average 1.285496183206107) internal successors, (842), 672 states have internal predecessors, (842), 183 states have call successors, (183), 79 states have call predecessors, (183), 80 states have return successors, (184), 184 states have call predecessors, (184), 183 states have call successors, (184) [2022-10-16 11:34:01,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1209 transitions. [2022-10-16 11:34:01,057 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1209 transitions. Word has length 137 [2022-10-16 11:34:01,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:34:01,058 INFO L495 AbstractCegarLoop]: Abstraction has 924 states and 1209 transitions. [2022-10-16 11:34:01,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.833333333333334) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-10-16 11:34:01,058 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1209 transitions. [2022-10-16 11:34:01,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 11:34:01,065 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:34:01,065 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:34:01,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 11:34:01,065 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 11:34:01,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:34:01,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1697507793, now seen corresponding path program 1 times [2022-10-16 11:34:01,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:34:01,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295668377] [2022-10-16 11:34:01,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:01,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:34:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:02,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:34:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:02,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 11:34:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:02,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 11:34:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:02,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:34:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:02,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 11:34:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:02,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 11:34:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:02,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 11:34:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:02,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 11:34:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:02,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:34:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:02,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 11:34:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:02,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-16 11:34:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:02,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-10-16 11:34:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:02,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-10-16 11:34:02,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:02,241 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-10-16 11:34:02,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:34:02,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295668377] [2022-10-16 11:34:02,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295668377] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:34:02,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:34:02,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:34:02,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866752048] [2022-10-16 11:34:02,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:34:02,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 11:34:02,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:34:02,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 11:34:02,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:34:02,247 INFO L87 Difference]: Start difference. First operand 924 states and 1209 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-16 11:34:03,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:34:03,524 INFO L93 Difference]: Finished difference Result 2328 states and 3139 transitions. [2022-10-16 11:34:03,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 11:34:03,525 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 138 [2022-10-16 11:34:03,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:34:03,539 INFO L225 Difference]: With dead ends: 2328 [2022-10-16 11:34:03,539 INFO L226 Difference]: Without dead ends: 1408 [2022-10-16 11:34:03,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-16 11:34:03,545 INFO L413 NwaCegarLoop]: 523 mSDtfsCounter, 623 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 1007 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 296 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 11:34:03,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 1007 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 11:34:03,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1408 states. [2022-10-16 11:34:03,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1408 to 1267. [2022-10-16 11:34:03,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1267 states, 912 states have (on average 1.3388157894736843) internal successors, (1221), 935 states have internal predecessors, (1221), 245 states have call successors, (245), 104 states have call predecessors, (245), 104 states have return successors, (253), 243 states have call predecessors, (253), 245 states have call successors, (253) [2022-10-16 11:34:03,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 1719 transitions. [2022-10-16 11:34:03,681 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 1719 transitions. Word has length 138 [2022-10-16 11:34:03,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:34:03,681 INFO L495 AbstractCegarLoop]: Abstraction has 1267 states and 1719 transitions. [2022-10-16 11:34:03,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-10-16 11:34:03,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1719 transitions. [2022-10-16 11:34:03,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-10-16 11:34:03,687 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:34:03,687 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:34:03,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 11:34:03,688 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-10-16 11:34:03,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:34:03,689 INFO L85 PathProgramCache]: Analyzing trace with hash -330265392, now seen corresponding path program 1 times [2022-10-16 11:34:03,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:34:03,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338785920] [2022-10-16 11:34:03,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:03,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:34:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:09,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 11:34:09,020 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.InterpolantChecker.checkInductivity(InterpolantChecker.java:409) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:383) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:154) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:260) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:237) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:848) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:773) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:352) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:192) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:284) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:165) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:327) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:229) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-16 11:34:09,027 INFO L158 Benchmark]: Toolchain (without parser) took 35626.97ms. Allocated memory was 151.0MB in the beginning and 497.0MB in the end (delta: 346.0MB). Free memory was 120.0MB in the beginning and 434.3MB in the end (delta: -314.3MB). Peak memory consumption was 260.1MB. Max. memory is 8.0GB. [2022-10-16 11:34:09,027 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 151.0MB. Free memory is still 122.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-10-16 11:34:09,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2402.86ms. Allocated memory is still 151.0MB. Free memory was 119.8MB in the beginning and 57.2MB in the end (delta: 62.6MB). Peak memory consumption was 63.1MB. Max. memory is 8.0GB. [2022-10-16 11:34:09,028 INFO L158 Benchmark]: Boogie Procedure Inliner took 267.81ms. Allocated memory is still 151.0MB. Free memory was 57.2MB in the beginning and 48.3MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-10-16 11:34:09,028 INFO L158 Benchmark]: Boogie Preprocessor took 215.34ms. Allocated memory is still 151.0MB. Free memory was 48.3MB in the beginning and 114.6MB in the end (delta: -66.3MB). Peak memory consumption was 11.9MB. Max. memory is 8.0GB. [2022-10-16 11:34:09,029 INFO L158 Benchmark]: RCFGBuilder took 2868.77ms. Allocated memory was 151.0MB in the beginning and 187.7MB in the end (delta: 36.7MB). Free memory was 114.6MB in the beginning and 101.0MB in the end (delta: 13.6MB). Peak memory consumption was 90.1MB. Max. memory is 8.0GB. [2022-10-16 11:34:09,030 INFO L158 Benchmark]: TraceAbstraction took 29860.13ms. Allocated memory was 187.7MB in the beginning and 497.0MB in the end (delta: 309.3MB). Free memory was 100.5MB in the beginning and 434.3MB in the end (delta: -333.9MB). Peak memory consumption was 203.5MB. Max. memory is 8.0GB. [2022-10-16 11:34:09,034 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 151.0MB. Free memory is still 122.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2402.86ms. Allocated memory is still 151.0MB. Free memory was 119.8MB in the beginning and 57.2MB in the end (delta: 62.6MB). Peak memory consumption was 63.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 267.81ms. Allocated memory is still 151.0MB. Free memory was 57.2MB in the beginning and 48.3MB in the end (delta: 8.9MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 215.34ms. Allocated memory is still 151.0MB. Free memory was 48.3MB in the beginning and 114.6MB in the end (delta: -66.3MB). Peak memory consumption was 11.9MB. Max. memory is 8.0GB. * RCFGBuilder took 2868.77ms. Allocated memory was 151.0MB in the beginning and 187.7MB in the end (delta: 36.7MB). Free memory was 114.6MB in the beginning and 101.0MB in the end (delta: 13.6MB). Peak memory consumption was 90.1MB. Max. memory is 8.0GB. * TraceAbstraction took 29860.13ms. Allocated memory was 187.7MB in the beginning and 497.0MB in the end (delta: 309.3MB). Free memory was 100.5MB in the beginning and 434.3MB in the end (delta: -333.9MB). Peak memory consumption was 203.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.InterpolantChecker.checkInductivity(InterpolantChecker.java:409) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-16 11:34:09,096 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...