/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_outl_p.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 11:33:36,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 11:33:36,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 11:33:36,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 11:33:36,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 11:33:36,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 11:33:36,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 11:33:36,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 11:33:36,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 11:33:36,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 11:33:36,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 11:33:36,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 11:33:36,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 11:33:36,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 11:33:36,872 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 11:33:36,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 11:33:36,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 11:33:36,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 11:33:36,897 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 11:33:36,908 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 11:33:36,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 11:33:36,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 11:33:36,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 11:33:36,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 11:33:36,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 11:33:36,936 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 11:33:36,937 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 11:33:36,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 11:33:36,938 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 11:33:36,970 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 11:33:36,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 11:33:36,971 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 11:33:36,971 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 11:33:36,972 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 11:33:36,972 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 11:33:36,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 11:33:36,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 11:33:36,974 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 11:33:36,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 11:33:36,974 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 11:33:36,975 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 11:33:36,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 11:33:36,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 11:33:36,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 11:33:36,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 11:33:36,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 11:33:36,976 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 11:33:36,976 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 11:33:36,976 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 11:33:36,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 11:33:36,977 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 11:33:36,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 11:33:36,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 11:33:36,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 11:33:36,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 11:33:36,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 11:33:36,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 11:33:36,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 11:33:36,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 11:33:36,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 11:33:36,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 11:33:36,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 11:33:36,980 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 11:33:37,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 11:33:37,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 11:33:37,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 11:33:37,403 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 11:33:37,404 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 11:33:37,405 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i [2022-10-16 11:33:37,490 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/020fcf4de/52a25faff7944cebacc899435c79d3ce/FLAG544978cec [2022-10-16 11:33:38,475 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 11:33:38,476 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_outl_p.i [2022-10-16 11:33:38,529 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/020fcf4de/52a25faff7944cebacc899435c79d3ce/FLAG544978cec [2022-10-16 11:33:39,043 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/020fcf4de/52a25faff7944cebacc899435c79d3ce [2022-10-16 11:33:39,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 11:33:39,057 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 11:33:39,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 11:33:39,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 11:33:39,065 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 11:33:39,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:33:39" (1/1) ... [2022-10-16 11:33:39,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12a6832b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:39, skipping insertion in model container [2022-10-16 11:33:39,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 11:33:39" (1/1) ... [2022-10-16 11:33:39,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 11:33:39,157 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 11:33:39,365 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_outl_p.i[458,471] [2022-10-16 11:33:41,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 11:33:41,292 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 11:33:41,307 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_outl_p.i[458,471] [2022-10-16 11:33:41,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 11:33:41,752 INFO L208 MainTranslator]: Completed translation [2022-10-16 11:33:41,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:41 WrapperNode [2022-10-16 11:33:41,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 11:33:41,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 11:33:41,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 11:33:41,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 11:33:41,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:41" (1/1) ... [2022-10-16 11:33:41,855 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:41" (1/1) ... [2022-10-16 11:33:42,000 INFO L138 Inliner]: procedures = 474, calls = 839, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 1025 [2022-10-16 11:33:42,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 11:33:42,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 11:33:42,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 11:33:42,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 11:33:42,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:41" (1/1) ... [2022-10-16 11:33:42,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:41" (1/1) ... [2022-10-16 11:33:42,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:41" (1/1) ... [2022-10-16 11:33:42,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:41" (1/1) ... [2022-10-16 11:33:42,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:41" (1/1) ... [2022-10-16 11:33:42,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:41" (1/1) ... [2022-10-16 11:33:42,137 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:41" (1/1) ... [2022-10-16 11:33:42,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:41" (1/1) ... [2022-10-16 11:33:42,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 11:33:42,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 11:33:42,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 11:33:42,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 11:33:42,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:41" (1/1) ... [2022-10-16 11:33:42,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 11:33:42,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:33:42,203 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 11:33:42,213 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 11:33:42,286 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2022-10-16 11:33:42,286 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2022-10-16 11:33:42,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-16 11:33:42,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2022-10-16 11:33:42,287 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-10-16 11:33:42,287 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-10-16 11:33:42,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 11:33:42,287 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-10-16 11:33:42,288 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-10-16 11:33:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-16 11:33:42,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2022-10-16 11:33:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2022-10-16 11:33:42,289 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2022-10-16 11:33:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-10-16 11:33:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 11:33:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 11:33:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2022-10-16 11:33:42,290 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2022-10-16 11:33:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 11:33:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 11:33:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 11:33:42,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-10-16 11:33:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2022-10-16 11:33:42,291 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2022-10-16 11:33:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-10-16 11:33:42,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-10-16 11:33:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2022-10-16 11:33:42,291 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2022-10-16 11:33:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 11:33:42,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 11:33:42,292 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2022-10-16 11:33:42,292 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2022-10-16 11:33:42,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-10-16 11:33:42,292 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 11:33:42,292 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 11:33:42,293 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-10-16 11:33:42,293 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-10-16 11:33:42,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 11:33:42,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 11:33:42,293 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-10-16 11:33:42,294 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-10-16 11:33:42,295 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2022-10-16 11:33:42,295 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2022-10-16 11:33:42,295 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-16 11:33:42,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-10-16 11:33:42,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 11:33:42,295 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2022-10-16 11:33:42,296 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2022-10-16 11:33:42,296 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-10-16 11:33:42,296 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-10-16 11:33:42,296 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-10-16 11:33:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-10-16 11:33:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2022-10-16 11:33:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2022-10-16 11:33:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2022-10-16 11:33:42,298 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2022-10-16 11:33:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2022-10-16 11:33:42,299 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2022-10-16 11:33:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 11:33:42,299 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2022-10-16 11:33:42,299 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2022-10-16 11:33:42,300 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2022-10-16 11:33:42,301 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2022-10-16 11:33:42,301 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-10-16 11:33:42,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-10-16 11:33:42,301 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-10-16 11:33:42,301 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-10-16 11:33:42,302 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 11:33:42,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-10-16 11:33:42,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 11:33:42,743 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 11:33:42,746 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 11:33:45,198 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 11:33:45,211 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 11:33:45,211 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-16 11:33:45,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:33:45 BoogieIcfgContainer [2022-10-16 11:33:45,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 11:33:45,218 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 11:33:45,218 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 11:33:45,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 11:33:45,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 11:33:39" (1/3) ... [2022-10-16 11:33:45,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b03141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:33:45, skipping insertion in model container [2022-10-16 11:33:45,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 11:33:41" (2/3) ... [2022-10-16 11:33:45,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b03141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 11:33:45, skipping insertion in model container [2022-10-16 11:33:45,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 11:33:45" (3/3) ... [2022-10-16 11:33:45,226 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_outl_p.i [2022-10-16 11:33:45,250 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 11:33:45,250 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-10-16 11:33:45,338 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 11:33:45,347 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;@5d838df0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 11:33:45,347 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-10-16 11:33:45,354 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 11:33:45,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 11:33:45,364 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:45,365 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:33:45,366 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 11:33:45,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:45,373 INFO L85 PathProgramCache]: Analyzing trace with hash -812033716, now seen corresponding path program 1 times [2022-10-16 11:33:45,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:45,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257136358] [2022-10-16 11:33:45,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:45,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:46,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:46,223 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 11:33:46,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:46,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257136358] [2022-10-16 11:33:46,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257136358] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:33:46,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:33:46,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:33:46,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820457988] [2022-10-16 11:33:46,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:33:46,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 11:33:46,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:46,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 11:33:46,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:33:46,282 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 11:33:47,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:33:47,473 INFO L93 Difference]: Finished difference Result 770 states and 1058 transitions. [2022-10-16 11:33:47,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 11:33:47,477 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 11:33:47,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:33:47,496 INFO L225 Difference]: With dead ends: 770 [2022-10-16 11:33:47,496 INFO L226 Difference]: Without dead ends: 386 [2022-10-16 11:33:47,504 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 11:33:47,509 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 11:33:47,511 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 11:33:47,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2022-10-16 11:33:47,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 373. [2022-10-16 11:33:47,603 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 11:33:47,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 502 transitions. [2022-10-16 11:33:47,610 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 502 transitions. Word has length 10 [2022-10-16 11:33:47,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:33:47,611 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 502 transitions. [2022-10-16 11:33:47,611 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 11:33:47,611 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 502 transitions. [2022-10-16 11:33:47,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-16 11:33:47,613 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:47,613 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:33:47,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 11:33:47,613 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 11:33:47,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:47,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1172939528, now seen corresponding path program 1 times [2022-10-16 11:33:47,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:47,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647800150] [2022-10-16 11:33:47,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:47,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:47,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:47,920 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 11:33:47,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:47,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647800150] [2022-10-16 11:33:47,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647800150] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:33:47,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:33:47,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:33:47,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215391673] [2022-10-16 11:33:47,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:33:47,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 11:33:47,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:47,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 11:33:47,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:33:47,925 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 11:33:48,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:33:48,838 INFO L93 Difference]: Finished difference Result 381 states and 512 transitions. [2022-10-16 11:33:48,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 11:33:48,839 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 11:33:48,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:33:48,845 INFO L225 Difference]: With dead ends: 381 [2022-10-16 11:33:48,845 INFO L226 Difference]: Without dead ends: 380 [2022-10-16 11:33:48,846 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 11:33:48,848 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 93 mSDsluCounter, 987 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 11:33:48,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 1456 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 11:33:48,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2022-10-16 11:33:48,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 372. [2022-10-16 11:33:48,883 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 11:33:48,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 501 transitions. [2022-10-16 11:33:48,888 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 501 transitions. Word has length 14 [2022-10-16 11:33:48,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:33:48,888 INFO L495 AbstractCegarLoop]: Abstraction has 372 states and 501 transitions. [2022-10-16 11:33:48,888 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 11:33:48,889 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 501 transitions. [2022-10-16 11:33:48,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-16 11:33:48,889 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:48,890 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:33:48,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 11:33:48,890 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 11:33:48,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:48,891 INFO L85 PathProgramCache]: Analyzing trace with hash 2001387251, now seen corresponding path program 1 times [2022-10-16 11:33:48,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:48,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731234150] [2022-10-16 11:33:48,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:48,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:49,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:49,226 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 11:33:49,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:49,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731234150] [2022-10-16 11:33:49,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731234150] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:33:49,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [866234333] [2022-10-16 11:33:49,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:49,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:33:49,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:33:49,231 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 11:33:49,254 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 11:33:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:49,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 11:33:49,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:33:49,627 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 11:33:49,627 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 11:33:49,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [866234333] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:33:49,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 11:33:49,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2022-10-16 11:33:49,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372004126] [2022-10-16 11:33:49,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:33:49,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 11:33:49,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:49,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 11:33:49,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 11:33:49,634 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 11:33:49,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:33:49,801 INFO L93 Difference]: Finished difference Result 377 states and 506 transitions. [2022-10-16 11:33:49,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 11:33:49,802 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 11:33:49,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:33:49,807 INFO L225 Difference]: With dead ends: 377 [2022-10-16 11:33:49,808 INFO L226 Difference]: Without dead ends: 376 [2022-10-16 11:33:49,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-10-16 11:33:49,820 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 11:33:49,824 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 11:33:49,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2022-10-16 11:33:49,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 368. [2022-10-16 11:33:49,864 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 11:33:49,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 497 transitions. [2022-10-16 11:33:49,870 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 497 transitions. Word has length 15 [2022-10-16 11:33:49,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:33:49,874 INFO L495 AbstractCegarLoop]: Abstraction has 368 states and 497 transitions. [2022-10-16 11:33:49,875 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 11:33:49,875 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 497 transitions. [2022-10-16 11:33:49,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 11:33:49,876 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:49,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:33:49,924 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 11:33:50,091 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 11:33:50,091 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 11:33:50,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:50,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1911868078, now seen corresponding path program 1 times [2022-10-16 11:33:50,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:50,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967348035] [2022-10-16 11:33:50,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:50,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:50,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:50,422 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 11:33:50,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:50,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967348035] [2022-10-16 11:33:50,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967348035] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:33:50,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915813726] [2022-10-16 11:33:50,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:50,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:33:50,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:33:50,425 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 11:33:50,449 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 11:33:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:50,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 11:33:50,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:33:50,746 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 11:33:50,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:33:50,802 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 11:33:50,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915813726] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:33:50,803 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 11:33:50,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2022-10-16 11:33:50,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108995151] [2022-10-16 11:33:50,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 11:33:50,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 11:33:50,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:50,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 11:33:50,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-10-16 11:33:50,806 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 11:33:51,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:33:51,937 INFO L93 Difference]: Finished difference Result 748 states and 1008 transitions. [2022-10-16 11:33:51,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 11:33:51,938 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 11:33:51,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:33:51,941 INFO L225 Difference]: With dead ends: 748 [2022-10-16 11:33:51,942 INFO L226 Difference]: Without dead ends: 389 [2022-10-16 11:33:51,943 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 11:33:51,945 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 109 mSDsluCounter, 1737 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:33:51,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 2206 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 11:33:51,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2022-10-16 11:33:51,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 376. [2022-10-16 11:33:51,966 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 11:33:51,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 505 transitions. [2022-10-16 11:33:51,969 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 505 transitions. Word has length 16 [2022-10-16 11:33:51,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:33:51,970 INFO L495 AbstractCegarLoop]: Abstraction has 376 states and 505 transitions. [2022-10-16 11:33:51,970 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 11:33:51,970 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 505 transitions. [2022-10-16 11:33:51,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-16 11:33:51,971 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:51,971 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 11:33:52,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-16 11:33:52,185 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 11:33:52,186 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 11:33:52,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:52,187 INFO L85 PathProgramCache]: Analyzing trace with hash -847632858, now seen corresponding path program 2 times [2022-10-16 11:33:52,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:52,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574481219] [2022-10-16 11:33:52,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:52,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:52,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:52,472 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 11:33:52,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:52,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574481219] [2022-10-16 11:33:52,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574481219] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:33:52,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:33:52,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:33:52,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485790953] [2022-10-16 11:33:52,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:33:52,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 11:33:52,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:52,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 11:33:52,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:33:52,481 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 11:33:53,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:33:53,395 INFO L93 Difference]: Finished difference Result 389 states and 520 transitions. [2022-10-16 11:33:53,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 11:33:53,396 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 11:33:53,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:33:53,399 INFO L225 Difference]: With dead ends: 389 [2022-10-16 11:33:53,399 INFO L226 Difference]: Without dead ends: 387 [2022-10-16 11:33:53,400 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 11:33:53,401 INFO L413 NwaCegarLoop]: 469 mSDtfsCounter, 89 mSDsluCounter, 989 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 11:33:53,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 1458 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 11:33:53,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2022-10-16 11:33:53,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 379. [2022-10-16 11:33:53,423 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 11:33:53,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 508 transitions. [2022-10-16 11:33:53,427 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 508 transitions. Word has length 24 [2022-10-16 11:33:53,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:33:53,428 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 508 transitions. [2022-10-16 11:33:53,428 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 11:33:53,428 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 508 transitions. [2022-10-16 11:33:53,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-16 11:33:53,429 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:53,429 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 11:33:53,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 11:33:53,430 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 11:33:53,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:53,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1702041758, now seen corresponding path program 1 times [2022-10-16 11:33:53,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:53,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537524235] [2022-10-16 11:33:53,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:53,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:53,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:53,759 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 11:33:53,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:53,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537524235] [2022-10-16 11:33:53,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537524235] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:33:53,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503570512] [2022-10-16 11:33:53,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:53,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:33:53,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:33:53,761 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 11:33:53,768 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 11:33:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:54,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 851 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 11:33:54,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:33:54,156 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 11:33:54,157 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:33:54,276 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 11:33:54,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [503570512] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:33:54,277 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 11:33:54,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 9] total 20 [2022-10-16 11:33:54,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671323175] [2022-10-16 11:33:54,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 11:33:54,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-10-16 11:33:54,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:54,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-10-16 11:33:54,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2022-10-16 11:33:54,280 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 11:33:55,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:33:55,708 INFO L93 Difference]: Finished difference Result 760 states and 1022 transitions. [2022-10-16 11:33:55,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-16 11:33:55,709 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 11:33:55,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:33:55,713 INFO L225 Difference]: With dead ends: 760 [2022-10-16 11:33:55,713 INFO L226 Difference]: Without dead ends: 398 [2022-10-16 11:33:55,715 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 11:33:55,716 INFO L413 NwaCegarLoop]: 464 mSDtfsCounter, 643 mSDsluCounter, 2477 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 11:33:55,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 2941 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 942 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 11:33:55,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2022-10-16 11:33:55,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 390. [2022-10-16 11:33:55,739 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 11:33:55,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 518 transitions. [2022-10-16 11:33:55,742 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 518 transitions. Word has length 28 [2022-10-16 11:33:55,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:33:55,743 INFO L495 AbstractCegarLoop]: Abstraction has 390 states and 518 transitions. [2022-10-16 11:33:55,743 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 11:33:55,743 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 518 transitions. [2022-10-16 11:33:55,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 11:33:55,747 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:55,747 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 11:33:55,787 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 11:33:55,961 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 11:33:55,962 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 11:33:55,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:55,963 INFO L85 PathProgramCache]: Analyzing trace with hash -178024015, now seen corresponding path program 1 times [2022-10-16 11:33:55,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:55,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668722349] [2022-10-16 11:33:55,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:55,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:56,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:56,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 11:33:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:56,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 11:33:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:56,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:33:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:56,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-10-16 11:33:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:56,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-16 11:33:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:56,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-16 11:33:56,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:56,464 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 11:33:56,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:56,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668722349] [2022-10-16 11:33:56,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668722349] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:33:56,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:33:56,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:33:56,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131173503] [2022-10-16 11:33:56,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:33:56,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 11:33:56,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:56,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 11:33:56,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:33:56,467 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 11:33:57,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:33:57,757 INFO L93 Difference]: Finished difference Result 998 states and 1350 transitions. [2022-10-16 11:33:57,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 11:33:57,758 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 11:33:57,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:33:57,767 INFO L225 Difference]: With dead ends: 998 [2022-10-16 11:33:57,767 INFO L226 Difference]: Without dead ends: 682 [2022-10-16 11:33:57,769 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 11:33:57,770 INFO L413 NwaCegarLoop]: 511 mSDtfsCounter, 503 mSDsluCounter, 981 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 179 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 11:33:57,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 1492 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [179 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 11:33:57,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2022-10-16 11:33:57,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 660. [2022-10-16 11:33:57,810 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 11:33:57,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 898 transitions. [2022-10-16 11:33:57,816 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 898 transitions. Word has length 79 [2022-10-16 11:33:57,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:33:57,817 INFO L495 AbstractCegarLoop]: Abstraction has 660 states and 898 transitions. [2022-10-16 11:33:57,817 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 11:33:57,817 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 898 transitions. [2022-10-16 11:33:57,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 11:33:57,820 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:33:57,820 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 11:33:57,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 11:33:57,821 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 11:33:57,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:33:57,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1159789199, now seen corresponding path program 1 times [2022-10-16 11:33:57,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:33:57,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819673584] [2022-10-16 11:33:57,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:57,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:33:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:58,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:33:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:58,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-16 11:33:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:58,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-16 11:33:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:58,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:33:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:58,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 11:33:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:58,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-10-16 11:33:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:58,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-10-16 11:33:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:58,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-10-16 11:33:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:58,727 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 11:33:58,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:33:58,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819673584] [2022-10-16 11:33:58,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819673584] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 11:33:58,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737771329] [2022-10-16 11:33:58,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:33:58,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 11:33:58,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 11:33:58,730 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 11:33:58,739 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 11:33:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:33:59,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 1073 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-16 11:33:59,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 11:33:59,225 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 11:33:59,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 11:33:59,542 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 11:33:59,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737771329] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 11:33:59,543 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 11:33:59,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 24 [2022-10-16 11:33:59,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392747954] [2022-10-16 11:33:59,544 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 11:33:59,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-10-16 11:33:59,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:33:59,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-10-16 11:33:59,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2022-10-16 11:33:59,547 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 11:34:00,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:34:00,762 INFO L93 Difference]: Finished difference Result 1315 states and 1796 transitions. [2022-10-16 11:34:00,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-10-16 11:34:00,764 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 11:34:00,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:34:00,770 INFO L225 Difference]: With dead ends: 1315 [2022-10-16 11:34:00,770 INFO L226 Difference]: Without dead ends: 688 [2022-10-16 11:34:00,773 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 11:34:00,775 INFO L413 NwaCegarLoop]: 464 mSDtfsCounter, 156 mSDsluCounter, 1721 mSDsCounter, 0 mSdLazyCounter, 629 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 11:34:00,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 2185 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 629 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 11:34:00,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2022-10-16 11:34:00,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 672. [2022-10-16 11:34:00,817 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 11:34:00,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 910 transitions. [2022-10-16 11:34:00,823 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 910 transitions. Word has length 91 [2022-10-16 11:34:00,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:34:00,824 INFO L495 AbstractCegarLoop]: Abstraction has 672 states and 910 transitions. [2022-10-16 11:34:00,824 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 11:34:00,825 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 910 transitions. [2022-10-16 11:34:00,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 11:34:00,828 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:34:00,828 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 11:34:00,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-10-16 11:34:01,042 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 11:34:01,042 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 11:34:01,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:34:01,043 INFO L85 PathProgramCache]: Analyzing trace with hash -784019267, now seen corresponding path program 2 times [2022-10-16 11:34:01,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:34:01,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20377595] [2022-10-16 11:34:01,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:01,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:34:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:01,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:34:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:01,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 11:34:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:01,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 11:34:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:01,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:34:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:01,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-16 11:34:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:01,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-16 11:34:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:01,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 11:34:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:01,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-10-16 11:34:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:01,497 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 11:34:01,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:34:01,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20377595] [2022-10-16 11:34:01,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20377595] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:34:01,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:34:01,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 11:34:01,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185520895] [2022-10-16 11:34:01,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:34:01,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 11:34:01,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:34:01,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 11:34:01,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 11:34:01,502 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 11:34:02,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:34:02,522 INFO L93 Difference]: Finished difference Result 698 states and 930 transitions. [2022-10-16 11:34:02,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 11:34:02,524 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 11:34:02,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:34:02,529 INFO L225 Difference]: With dead ends: 698 [2022-10-16 11:34:02,529 INFO L226 Difference]: Without dead ends: 418 [2022-10-16 11:34:02,531 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 11:34:02,535 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 11:34:02,536 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 11:34:02,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2022-10-16 11:34:02,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 410. [2022-10-16 11:34:02,565 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 11:34:02,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 533 transitions. [2022-10-16 11:34:02,569 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 533 transitions. Word has length 103 [2022-10-16 11:34:02,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:34:02,569 INFO L495 AbstractCegarLoop]: Abstraction has 410 states and 533 transitions. [2022-10-16 11:34:02,569 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 11:34:02,570 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 533 transitions. [2022-10-16 11:34:02,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 11:34:02,580 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:34:02,580 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 11:34:02,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 11:34:02,580 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 11:34:02,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:34:02,581 INFO L85 PathProgramCache]: Analyzing trace with hash -902443541, now seen corresponding path program 1 times [2022-10-16 11:34:02,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:34:02,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854082728] [2022-10-16 11:34:02,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:02,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:34:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:03,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:34:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:03,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 11:34:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:03,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 11:34:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:03,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:34:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:03,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 11:34:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:03,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 11:34:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:03,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 11:34:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:03,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-10-16 11:34:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:03,141 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 11:34:03,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:34:03,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854082728] [2022-10-16 11:34:03,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854082728] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:34:03,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:34:03,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:34:03,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386626500] [2022-10-16 11:34:03,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:34:03,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 11:34:03,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:34:03,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 11:34:03,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:34:03,145 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 11:34:04,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:34:04,129 INFO L93 Difference]: Finished difference Result 885 states and 1157 transitions. [2022-10-16 11:34:04,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 11:34:04,130 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 11:34:04,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:34:04,135 INFO L225 Difference]: With dead ends: 885 [2022-10-16 11:34:04,135 INFO L226 Difference]: Without dead ends: 566 [2022-10-16 11:34:04,137 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 11:34:04,138 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 11:34:04,138 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 11:34:04,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2022-10-16 11:34:04,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 550. [2022-10-16 11:34:04,169 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 11:34:04,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 706 transitions. [2022-10-16 11:34:04,174 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 706 transitions. Word has length 102 [2022-10-16 11:34:04,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:34:04,175 INFO L495 AbstractCegarLoop]: Abstraction has 550 states and 706 transitions. [2022-10-16 11:34:04,175 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 11:34:04,175 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 706 transitions. [2022-10-16 11:34:04,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 11:34:04,178 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:34:04,178 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 11:34:04,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 11:34:04,179 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 11:34:04,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:34:04,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1822031, now seen corresponding path program 1 times [2022-10-16 11:34:04,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:34:04,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271272931] [2022-10-16 11:34:04,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:04,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:34:04,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:04,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:34:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:04,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 11:34:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:04,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 11:34:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:04,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:34:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:04,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 11:34:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:04,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 11:34:04,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:04,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 11:34:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:04,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 11:34:04,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:04,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:34:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:04,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 11:34:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:04,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-16 11:34:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:04,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 11:34:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:04,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-10-16 11:34:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:04,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:34:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:04,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-10-16 11:34:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:04,887 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 11:34:04,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:34:04,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271272931] [2022-10-16 11:34:04,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271272931] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:34:04,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:34:04,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 11:34:04,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233185169] [2022-10-16 11:34:04,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:34:04,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 11:34:04,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:34:04,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 11:34:04,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 11:34:04,891 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 11:34:07,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:34:07,381 INFO L93 Difference]: Finished difference Result 1340 states and 1756 transitions. [2022-10-16 11:34:07,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 11:34:07,382 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 11:34:07,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:34:07,389 INFO L225 Difference]: With dead ends: 1340 [2022-10-16 11:34:07,389 INFO L226 Difference]: Without dead ends: 954 [2022-10-16 11:34:07,391 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 11:34:07,392 INFO L413 NwaCegarLoop]: 448 mSDtfsCounter, 914 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 975 mSolverCounterSat, 606 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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 11:34:07,392 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 11:34:07,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2022-10-16 11:34:07,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 924. [2022-10-16 11:34:07,458 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 11:34:07,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1209 transitions. [2022-10-16 11:34:07,465 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1209 transitions. Word has length 137 [2022-10-16 11:34:07,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:34:07,465 INFO L495 AbstractCegarLoop]: Abstraction has 924 states and 1209 transitions. [2022-10-16 11:34:07,466 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 11:34:07,466 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1209 transitions. [2022-10-16 11:34:07,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-16 11:34:07,469 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:34:07,469 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 11:34:07,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 11:34:07,470 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 11:34:07,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:34:07,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1697507793, now seen corresponding path program 1 times [2022-10-16 11:34:07,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:34:07,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522196414] [2022-10-16 11:34:07,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:07,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:34:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:08,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 11:34:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:08,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-16 11:34:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:08,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-10-16 11:34:08,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:08,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:34:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:08,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 11:34:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:08,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-10-16 11:34:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:08,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-10-16 11:34:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:08,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-10-16 11:34:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:08,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-16 11:34:08,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:08,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2022-10-16 11:34:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:08,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-10-16 11:34:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:08,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-10-16 11:34:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:08,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-10-16 11:34:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:08,601 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 11:34:08,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 11:34:08,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522196414] [2022-10-16 11:34:08,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522196414] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 11:34:08,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 11:34:08,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 11:34:08,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379542556] [2022-10-16 11:34:08,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 11:34:08,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 11:34:08,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 11:34:08,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 11:34:08,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 11:34:08,604 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 11:34:09,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 11:34:09,958 INFO L93 Difference]: Finished difference Result 2328 states and 3139 transitions. [2022-10-16 11:34:09,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 11:34:09,959 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 11:34:09,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 11:34:09,970 INFO L225 Difference]: With dead ends: 2328 [2022-10-16 11:34:09,970 INFO L226 Difference]: Without dead ends: 1408 [2022-10-16 11:34:09,974 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 11:34:09,975 INFO L413 NwaCegarLoop]: 523 mSDtfsCounter, 623 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 11:34:09,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 1007 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 11:34:09,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1408 states. [2022-10-16 11:34:10,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1408 to 1267. [2022-10-16 11:34:10,110 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 11:34:10,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 1719 transitions. [2022-10-16 11:34:10,119 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 1719 transitions. Word has length 138 [2022-10-16 11:34:10,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 11:34:10,119 INFO L495 AbstractCegarLoop]: Abstraction has 1267 states and 1719 transitions. [2022-10-16 11:34:10,120 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 11:34:10,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1719 transitions. [2022-10-16 11:34:10,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-10-16 11:34:10,123 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 11:34:10,123 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 11:34:10,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 11:34:10,124 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 11:34:10,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 11:34:10,125 INFO L85 PathProgramCache]: Analyzing trace with hash -330265392, now seen corresponding path program 1 times [2022-10-16 11:34:10,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 11:34:10,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835729495] [2022-10-16 11:34:10,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 11:34:10,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 11:34:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 11:34:14,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 11:34:14,961 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 11:34:14,965 INFO L158 Benchmark]: Toolchain (without parser) took 35912.21ms. Allocated memory was 151.0MB in the beginning and 459.3MB in the end (delta: 308.3MB). Free memory was 120.7MB in the beginning and 396.1MB in the end (delta: -275.4MB). Peak memory consumption was 285.2MB. Max. memory is 8.0GB. [2022-10-16 11:34:14,966 INFO L158 Benchmark]: CDTParser took 0.22ms. 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 11:34:14,966 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2692.94ms. Allocated memory is still 151.0MB. Free memory was 120.5MB in the beginning and 57.7MB in the end (delta: 62.8MB). Peak memory consumption was 64.2MB. Max. memory is 8.0GB. [2022-10-16 11:34:14,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 246.63ms. Allocated memory is still 151.0MB. Free memory was 57.7MB in the beginning and 48.8MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-10-16 11:34:14,967 INFO L158 Benchmark]: Boogie Preprocessor took 158.11ms. Allocated memory is still 151.0MB. Free memory was 48.8MB in the beginning and 115.0MB in the end (delta: -66.2MB). Peak memory consumption was 13.0MB. Max. memory is 8.0GB. [2022-10-16 11:34:14,967 INFO L158 Benchmark]: RCFGBuilder took 3054.56ms. Allocated memory was 151.0MB in the beginning and 181.4MB in the end (delta: 30.4MB). Free memory was 115.0MB in the beginning and 72.0MB in the end (delta: 43.0MB). Peak memory consumption was 90.4MB. Max. memory is 8.0GB. [2022-10-16 11:34:14,967 INFO L158 Benchmark]: TraceAbstraction took 29747.07ms. Allocated memory was 181.4MB in the beginning and 459.3MB in the end (delta: 277.9MB). Free memory was 71.0MB in the beginning and 396.1MB in the end (delta: -325.2MB). Peak memory consumption was 204.4MB. Max. memory is 8.0GB. [2022-10-16 11:34:14,970 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 151.0MB. Free memory is still 122.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 2692.94ms. Allocated memory is still 151.0MB. Free memory was 120.5MB in the beginning and 57.7MB in the end (delta: 62.8MB). Peak memory consumption was 64.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 246.63ms. Allocated memory is still 151.0MB. Free memory was 57.7MB in the beginning and 48.8MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 158.11ms. Allocated memory is still 151.0MB. Free memory was 48.8MB in the beginning and 115.0MB in the end (delta: -66.2MB). Peak memory consumption was 13.0MB. Max. memory is 8.0GB. * RCFGBuilder took 3054.56ms. Allocated memory was 151.0MB in the beginning and 181.4MB in the end (delta: 30.4MB). Free memory was 115.0MB in the beginning and 72.0MB in the end (delta: 43.0MB). Peak memory consumption was 90.4MB. Max. memory is 8.0GB. * TraceAbstraction took 29747.07ms. Allocated memory was 181.4MB in the beginning and 459.3MB in the end (delta: 277.9MB). Free memory was 71.0MB in the beginning and 396.1MB in the end (delta: -325.2MB). Peak memory consumption was 204.4MB. 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 11:34:15,021 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...