/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-22 12:18:34,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-22 12:18:34,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-22 12:18:35,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-22 12:18:35,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-22 12:18:35,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-22 12:18:35,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-22 12:18:35,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-22 12:18:35,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-22 12:18:35,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-22 12:18:35,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-22 12:18:35,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2021-10-22 12:18:35,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-22 12:18:35,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-22 12:18:35,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-22 12:18:35,061 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-Uncond-NoLbe-Lockstep.epf [2021-10-22 12:18:35,075 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-22 12:18:35,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-22 12:18:35,076 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-22 12:18:35,076 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-22 12:18:35,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-22 12:18:35,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-22 12:18:35,077 INFO L138 SettingsManager]: * Use SBE=true [2021-10-22 12:18:35,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-22 12:18:35,077 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-22 12:18:35,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-22 12:18:35,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-22 12:18:35,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-22 12:18:35,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-22 12:18:35,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-22 12:18:35,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-22 12:18:35,078 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-22 12:18:35,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-22 12:18:35,078 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-22 12:18:35,078 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-22 12:18:35,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-22 12:18:35,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-22 12:18:35,079 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-22 12:18:35,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-22 12:18:35,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 12:18:35,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-22 12:18:35,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-22 12:18:35,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-22 12:18:35,079 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-22 12:18:35,080 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-22 12:18:35,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-22 12:18:35,080 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-22 12:18:35,080 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-22 12:18:35,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-22 12:18:35,080 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-22 12:18:35,080 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-22 12:18:35,080 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-22 12:18:35,080 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-22 12:18:35,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-22 12:18:35,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-22 12:18:35,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-22 12:18:35,254 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-22 12:18:35,255 INFO L275 PluginConnector]: CDTParser initialized [2021-10-22 12:18:35,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-10-22 12:18:35,319 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/680ec01bf/3d2fa836063d4c3dac382cb0a4e2696e/FLAGf91aa7ea2 [2021-10-22 12:18:35,741 INFO L306 CDTParser]: Found 1 translation units. [2021-10-22 12:18:35,741 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i [2021-10-22 12:18:35,748 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/680ec01bf/3d2fa836063d4c3dac382cb0a4e2696e/FLAGf91aa7ea2 [2021-10-22 12:18:35,756 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/680ec01bf/3d2fa836063d4c3dac382cb0a4e2696e [2021-10-22 12:18:35,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-22 12:18:35,759 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-22 12:18:35,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-22 12:18:35,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-22 12:18:35,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-22 12:18:35,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:18:35" (1/1) ... [2021-10-22 12:18:35,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1570c57b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:18:35, skipping insertion in model container [2021-10-22 12:18:35,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 12:18:35" (1/1) ... [2021-10-22 12:18:35,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-22 12:18:35,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-22 12:18:35,943 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i[938,951] [2021-10-22 12:18:36,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-22 12:18:36,073 INFO L203 MainTranslator]: Completed pre-run [2021-10-22 12:18:36,083 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i[938,951] [2021-10-22 12:18:36,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-22 12:18:36,142 INFO L208 MainTranslator]: Completed translation [2021-10-22 12:18:36,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:18:36 WrapperNode [2021-10-22 12:18:36,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-22 12:18:36,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-22 12:18:36,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-22 12:18:36,143 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-22 12:18:36,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:18:36" (1/1) ... [2021-10-22 12:18:36,171 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:18:36" (1/1) ... [2021-10-22 12:18:36,188 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-22 12:18:36,189 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-22 12:18:36,189 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-22 12:18:36,189 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-22 12:18:36,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:18:36" (1/1) ... [2021-10-22 12:18:36,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:18:36" (1/1) ... [2021-10-22 12:18:36,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:18:36" (1/1) ... [2021-10-22 12:18:36,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:18:36" (1/1) ... [2021-10-22 12:18:36,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:18:36" (1/1) ... [2021-10-22 12:18:36,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:18:36" (1/1) ... [2021-10-22 12:18:36,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:18:36" (1/1) ... [2021-10-22 12:18:36,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-22 12:18:36,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-22 12:18:36,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-22 12:18:36,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-22 12:18:36,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:18:36" (1/1) ... [2021-10-22 12:18:36,222 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-22 12:18:36,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 12:18:36,247 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) [2021-10-22 12:18:36,289 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 [2021-10-22 12:18:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-22 12:18:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-22 12:18:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-22 12:18:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-22 12:18:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure dec_a [2021-10-22 12:18:36,307 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_a [2021-10-22 12:18:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure dec_b [2021-10-22 12:18:36,307 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_b [2021-10-22 12:18:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-22 12:18:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-22 12:18:36,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-22 12:18:36,309 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-22 12:18:36,625 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-22 12:18:36,625 INFO L299 CfgBuilder]: Removed 26 assume(true) statements. [2021-10-22 12:18:36,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:18:36 BoogieIcfgContainer [2021-10-22 12:18:36,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-22 12:18:36,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-22 12:18:36,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-22 12:18:36,630 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-22 12:18:36,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 12:18:35" (1/3) ... [2021-10-22 12:18:36,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3308e0d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:18:36, skipping insertion in model container [2021-10-22 12:18:36,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 12:18:36" (2/3) ... [2021-10-22 12:18:36,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3308e0d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 12:18:36, skipping insertion in model container [2021-10-22 12:18:36,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 12:18:36" (3/3) ... [2021-10-22 12:18:36,632 INFO L111 eAbstractionObserver]: Analyzing ICFG gcd-2.i [2021-10-22 12:18:36,635 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-22 12:18:36,635 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-22 12:18:36,635 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-22 12:18:36,635 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-22 12:18:36,660 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,661 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,661 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,661 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,661 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,661 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,661 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,661 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,662 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,662 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,662 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,662 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,662 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,662 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,662 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,662 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,663 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,663 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,663 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,663 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,663 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,663 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,663 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,663 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,665 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,665 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,666 WARN L313 ript$VariableManager]: TermVariabe |dec_aThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,666 WARN L313 ript$VariableManager]: TermVariabe dec_aThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,667 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,667 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,667 WARN L313 ript$VariableManager]: TermVariabe |dec_bThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,667 WARN L313 ript$VariableManager]: TermVariabe dec_bThread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-22 12:18:36,671 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-22 12:18:36,698 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-22 12:18:36,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 12:18:36,699 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-22 12:18:36,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-22 12:18:36,720 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-22 12:18:36,724 INFO L339 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, mConcurrency=PARTIAL_ORDER_FA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-22 12:18:36,724 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-10-22 12:18:36,835 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-22 12:18:36,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 12:18:36,838 INFO L82 PathProgramCache]: Analyzing trace with hash -543256477, now seen corresponding path program 1 times [2021-10-22 12:18:36,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 12:18:36,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113333484] [2021-10-22 12:18:36,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:18:36,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 12:18:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:18:36,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 12:18:36,969 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 12:18:36,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113333484] [2021-10-22 12:18:36,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113333484] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 12:18:36,970 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 12:18:36,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-22 12:18:36,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353220876] [2021-10-22 12:18:36,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-22 12:18:36,976 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 12:18:36,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-22 12:18:36,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-22 12:18:36,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:18:36,989 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 12:18:36,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 46.5) internal successors, (93), 2 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 12:18:36,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:18:37,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:18:37,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-22 12:18:37,007 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-22 12:18:37,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 12:18:37,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1308334900, now seen corresponding path program 1 times [2021-10-22 12:18:37,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 12:18:37,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097308776] [2021-10-22 12:18:37,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:18:37,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 12:18:37,043 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-22 12:18:37,043 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [801765895] [2021-10-22 12:18:37,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:18:37,043 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:18:37,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 12:18:37,056 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) [2021-10-22 12:18:37,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-10-22 12:18:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:18:37,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 26 conjunts are in the unsatisfiable core [2021-10-22 12:18:37,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 12:18:38,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 12:18:38,052 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 12:18:38,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097308776] [2021-10-22 12:18:38,052 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-22 12:18:38,052 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801765895] [2021-10-22 12:18:38,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801765895] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 12:18:38,053 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 12:18:38,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-10-22 12:18:38,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641523664] [2021-10-22 12:18:38,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2021-10-22 12:18:38,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 12:18:38,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-22 12:18:38,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-10-22 12:18:38,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:18:38,063 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 12:18:38,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.866666666666666) internal successors, (88), 15 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 12:18:38,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:18:38,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:18:38,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:18:38,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 12:18:38,611 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-10-22 12:18:38,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-10-22 12:18:38,795 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-22 12:18:38,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 12:18:38,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1777132673, now seen corresponding path program 1 times [2021-10-22 12:18:38,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 12:18:38,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926689130] [2021-10-22 12:18:38,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:18:38,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 12:18:38,835 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-22 12:18:38,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1768948836] [2021-10-22 12:18:38,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:18:38,836 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:18:38,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 12:18:38,842 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) [2021-10-22 12:18:38,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-10-22 12:18:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:18:38,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 30 conjunts are in the unsatisfiable core [2021-10-22 12:18:38,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 12:18:39,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 12:18:39,515 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 12:18:39,515 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926689130] [2021-10-22 12:18:39,515 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-22 12:18:39,516 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768948836] [2021-10-22 12:18:39,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768948836] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 12:18:39,516 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 12:18:39,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-10-22 12:18:39,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373569134] [2021-10-22 12:18:39,516 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-22 12:18:39,516 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 12:18:39,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-22 12:18:39,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2021-10-22 12:18:39,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:18:39,517 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 12:18:39,517 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.75) internal successors, (92), 16 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 12:18:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:18:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 12:18:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:18:40,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:18:40,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 12:18:40,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-22 12:18:40,446 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-10-22 12:18:40,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:18:40,630 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-22 12:18:40,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 12:18:40,631 INFO L82 PathProgramCache]: Analyzing trace with hash 673260213, now seen corresponding path program 1 times [2021-10-22 12:18:40,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 12:18:40,631 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85182074] [2021-10-22 12:18:40,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:18:40,631 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 12:18:40,648 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-22 12:18:40,648 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [247564087] [2021-10-22 12:18:40,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:18:40,648 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:18:40,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 12:18:40,649 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) [2021-10-22 12:18:40,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-10-22 12:18:40,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:18:40,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 43 conjunts are in the unsatisfiable core [2021-10-22 12:18:40,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 12:18:42,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 12:18:42,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 12:18:42,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85182074] [2021-10-22 12:18:42,179 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-22 12:18:42,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247564087] [2021-10-22 12:18:42,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247564087] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 12:18:42,180 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 12:18:42,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-10-22 12:18:42,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477141603] [2021-10-22 12:18:42,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-10-22 12:18:42,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 12:18:42,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-10-22 12:18:42,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=412, Unknown=0, NotChecked=0, Total=462 [2021-10-22 12:18:42,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:18:42,181 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 12:18:42,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.363636363636363) internal successors, (96), 22 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 12:18:42,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:18:42,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 12:18:42,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-22 12:18:42,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:18:43,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:18:43,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 12:18:43,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-10-22 12:18:43,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-22 12:18:43,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-10-22 12:18:44,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:18:44,178 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-22 12:18:44,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 12:18:44,178 INFO L82 PathProgramCache]: Analyzing trace with hash -837713228, now seen corresponding path program 1 times [2021-10-22 12:18:44,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 12:18:44,178 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093334526] [2021-10-22 12:18:44,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:18:44,178 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 12:18:44,213 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-22 12:18:44,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2133676187] [2021-10-22 12:18:44,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:18:44,214 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:18:44,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 12:18:44,217 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 12:18:44,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-10-22 12:18:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:18:44,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 36 conjunts are in the unsatisfiable core [2021-10-22 12:18:44,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 12:18:46,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 12:18:46,849 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 12:18:46,849 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093334526] [2021-10-22 12:18:46,850 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-22 12:18:46,850 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133676187] [2021-10-22 12:18:46,850 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133676187] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-22 12:18:46,850 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-10-22 12:18:46,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2021-10-22 12:18:46,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988057269] [2021-10-22 12:18:46,850 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2021-10-22 12:18:46,850 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 12:18:46,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-10-22 12:18:46,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=342, Unknown=0, NotChecked=0, Total=380 [2021-10-22 12:18:46,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:18:46,851 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 12:18:46,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.5) internal successors, (90), 20 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 12:18:46,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:18:46,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 12:18:46,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-10-22 12:18:46,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-10-22 12:18:46,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:19:08,189 WARN L207 SmtUtils]: Spent 14.17 s on a formula simplification. DAG size of input: 82 DAG size of output: 61 [2021-10-22 12:19:27,720 WARN L207 SmtUtils]: Spent 19.35 s on a formula simplification. DAG size of input: 88 DAG size of output: 68 [2021-10-22 12:20:06,540 WARN L207 SmtUtils]: Spent 37.99 s on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2021-10-22 12:20:30,446 WARN L207 SmtUtils]: Spent 20.87 s on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2021-10-22 12:20:53,041 WARN L207 SmtUtils]: Spent 20.85 s on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2021-10-22 12:20:55,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:20:55,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 12:20:55,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-10-22 12:20:55,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-22 12:20:55,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-22 12:20:55,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-10-22 12:20:55,565 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:20:55,565 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-22 12:20:55,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 12:20:55,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1782379519, now seen corresponding path program 1 times [2021-10-22 12:20:55,566 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 12:20:55,566 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325809943] [2021-10-22 12:20:55,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:20:55,566 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 12:20:55,579 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-22 12:20:55,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [328767317] [2021-10-22 12:20:55,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:20:55,580 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:20:55,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 12:20:55,589 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 12:20:55,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-10-22 12:20:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:20:56,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 28 conjunts are in the unsatisfiable core [2021-10-22 12:20:56,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 12:20:56,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-22 12:20:56,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 12:20:57,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325809943] [2021-10-22 12:20:57,003 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-22 12:20:57,003 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328767317] [2021-10-22 12:20:57,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328767317] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 12:20:57,003 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 12:20:57,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-10-22 12:20:57,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158668591] [2021-10-22 12:20:57,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-10-22 12:20:57,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 12:20:57,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-22 12:20:57,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-10-22 12:20:57,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:20:57,005 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 12:20:57,005 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.875) internal successors, (94), 16 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 12:20:57,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:20:57,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 12:20:57,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-10-22 12:20:57,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-10-22 12:20:57,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-10-22 12:20:57,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:20:58,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:20:58,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 12:20:58,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-22 12:20:58,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-22 12:20:58,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-22 12:20:58,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-22 12:20:58,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-10-22 12:20:58,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:20:58,782 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-22 12:20:58,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 12:20:58,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1516795339, now seen corresponding path program 1 times [2021-10-22 12:20:58,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 12:20:58,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604467679] [2021-10-22 12:20:58,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:20:58,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 12:20:58,803 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-22 12:20:58,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1106914449] [2021-10-22 12:20:58,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:20:58,803 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:20:58,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 12:20:58,811 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 12:20:58,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-10-22 12:20:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-22 12:20:59,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 40 conjunts are in the unsatisfiable core [2021-10-22 12:20:59,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-22 12:21:39,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-22 12:21:39,758 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-22 12:21:39,758 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604467679] [2021-10-22 12:21:39,759 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-22 12:21:39,759 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106914449] [2021-10-22 12:21:39,759 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1106914449] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-22 12:21:39,759 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-22 12:21:39,759 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-10-22 12:21:39,759 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634851406] [2021-10-22 12:21:39,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-10-22 12:21:39,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-22 12:21:39,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-10-22 12:21:39,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=361, Unknown=10, NotChecked=0, Total=420 [2021-10-22 12:21:39,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:21:39,760 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-22 12:21:39,760 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.666666666666667) internal successors, (98), 21 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-22 12:21:39,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:21:39,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-10-22 12:21:39,760 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-10-22 12:21:39,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-10-22 12:21:39,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-10-22 12:21:39,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-10-22 12:21:39,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:23:25,237 WARN L207 SmtUtils]: Spent 23.68 s on a formula simplification. DAG size of input: 118 DAG size of output: 108 [2021-10-22 12:24:19,338 WARN L207 SmtUtils]: Spent 42.84 s on a formula simplification. DAG size of input: 124 DAG size of output: 108 [2021-10-22 12:25:18,713 WARN L207 SmtUtils]: Spent 42.38 s on a formula simplification. DAG size of input: 113 DAG size of output: 107 [2021-10-22 12:25:21,830 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_ULTIMATE.start_main_~b_in~0 4294967296))) (let ((.cse1 (< 0 .cse0)) (.cse34 (mod c_ULTIMATE.start_check_gcd_~b_in 4294967296)) (.cse14 (mod |c_ULTIMATE.start_check_gcd_#in~b_in| 4294967296)) (.cse35 (mod |c_ULTIMATE.start_check_gcd_#in~gcd| 4294967296))) (and (< .cse0 (mod (+ c_ULTIMATE.start_main_~b_in~0 c_~a~0) 4294967296)) (= c_ULTIMATE.start_main_~b_in~0 |c_ULTIMATE.start_start_#in~b_in|) (< .cse0 (mod (+ c_ULTIMATE.start_main_~b_in~0 |c_ULTIMATE.start_start_#res|) 4294967296)) .cse1 (exists ((aux_div_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103 Int) (aux_div_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58 Int)) (and (or (and (exists ((aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 Int) (aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130 Int) (aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 Int)) (let ((.cse2 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93)) (.cse7 (* 4294967296 aux_div_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103)) (.cse3 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130))) (let ((.cse4 (+ .cse2 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse7 .cse3)) (.cse6 (+ .cse2 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93)) (.cse5 (* 4294967296 c_ULTIMATE.start_check_gcd_~gcd))) (and (< aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 4294967296) (= (mod (mod aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 (mod c_ULTIMATE.start_check_gcd_~guessed_gcd~0 4294967296)) 4294967296) 0) (< (+ .cse2 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse3) (+ (* 4294967295 c_ULTIMATE.start_check_gcd_~gcd) 4294967296)) (<= .cse4 (+ .cse5 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296))) (< .cse6 4294967296) (<= 0 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93) (<= .cse5 .cse4) (< 0 .cse6) (<= .cse5 (+ (* 4294967296 aux_div_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58) .cse2 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse7 .cse3)))))) (= c_ULTIMATE.start_assume_abort_if_not_~cond 1)) (and (= c_ULTIMATE.start_assume_abort_if_not_~cond 0) (exists ((aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 Int) (aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130 Int) (aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 Int)) (let ((.cse8 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93)) (.cse13 (* 4294967296 aux_div_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103)) (.cse9 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130))) (let ((.cse10 (+ .cse8 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse13 .cse9)) (.cse12 (+ .cse8 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93)) (.cse11 (* 4294967296 c_ULTIMATE.start_check_gcd_~gcd))) (and (< aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 4294967296) (not (= (mod (mod aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 (mod c_ULTIMATE.start_check_gcd_~guessed_gcd~0 4294967296)) 4294967296) 0)) (< (+ .cse8 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse9) (+ (* 4294967295 c_ULTIMATE.start_check_gcd_~gcd) 4294967296)) (<= .cse10 (+ .cse11 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296))) (< .cse12 4294967296) (<= 0 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93) (<= .cse11 .cse10) (< 0 .cse12) (<= .cse11 (+ (* 4294967296 aux_div_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58) .cse8 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse13 .cse9)))))))) (< (+ (* 4294967296 aux_div_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58) (* 4294967296 aux_div_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103)) c_ULTIMATE.start_check_gcd_~gcd))) (< .cse0 (mod (+ |c_ULTIMATE.start_main_#t~ret14| c_ULTIMATE.start_main_~b_in~0) 4294967296)) (< .cse14 (mod (+ |c_ULTIMATE.start_check_gcd_#in~b_in| |c_ULTIMATE.start_check_gcd_#in~gcd|) 4294967296)) (exists ((aux_div_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103 Int) (aux_div_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58 Int)) (and (< (+ (* 4294967296 aux_div_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58) (* 4294967296 aux_div_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103)) c_ULTIMATE.start_check_gcd_~gcd) (or (and (exists ((aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 Int) (aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130 Int) (aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 Int)) (let ((.cse15 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93)) (.cse20 (* 4294967296 aux_div_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103)) (.cse16 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130))) (let ((.cse17 (+ .cse15 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse20 .cse16)) (.cse19 (+ .cse15 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93)) (.cse18 (* 4294967296 c_ULTIMATE.start_check_gcd_~gcd))) (and (< aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 4294967296) (not (= (mod (mod aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 (mod c_ULTIMATE.start_check_gcd_~guessed_gcd~0 4294967296)) 4294967296) 0)) (< (+ .cse15 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse16) (+ (* 4294967295 c_ULTIMATE.start_check_gcd_~gcd) 4294967296)) (<= .cse17 (+ .cse18 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296))) (< .cse19 4294967296) (<= 0 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93) (<= .cse18 .cse17) (< 0 .cse19) (<= .cse18 (+ (* 4294967296 aux_div_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58) .cse15 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse20 .cse16)))))) (= |c_ULTIMATE.start_assume_abort_if_not_#in~cond| 0)) (and (exists ((aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 Int) (aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130 Int) (aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 Int)) (let ((.cse21 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93)) (.cse26 (* 4294967296 aux_div_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103)) (.cse22 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130))) (let ((.cse23 (+ .cse21 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse26 .cse22)) (.cse25 (+ .cse21 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93)) (.cse24 (* 4294967296 c_ULTIMATE.start_check_gcd_~gcd))) (and (< aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 4294967296) (= (mod (mod aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 (mod c_ULTIMATE.start_check_gcd_~guessed_gcd~0 4294967296)) 4294967296) 0) (< (+ .cse21 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse22) (+ (* 4294967295 c_ULTIMATE.start_check_gcd_~gcd) 4294967296)) (<= .cse23 (+ .cse24 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296))) (< .cse25 4294967296) (<= 0 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93) (<= .cse24 .cse23) (< 0 .cse25) (<= .cse24 (+ (* 4294967296 aux_div_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58) .cse21 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse26 .cse22)))))) (= |c_ULTIMATE.start_assume_abort_if_not_#in~cond| 1))))) (<= 1 c_ULTIMATE.start___VERIFIER_assert_~cond) (<= .cse0 (mod c_~a~0 4294967296)) (or (and .cse1 (= c_ULTIMATE.start_assume_abort_if_not_~cond 1)) (and (= c_ULTIMATE.start_assume_abort_if_not_~cond 0) (<= .cse0 0))) (< 0 .cse14) (<= .cse0 (mod |c_ULTIMATE.start_main_#t~ret14| 4294967296)) (exists ((aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 Int) (aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130 Int) (aux_div_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103 Int) (aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 Int) (aux_div_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58 Int)) (let ((.cse27 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93)) (.cse30 (* 4294967296 aux_div_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103)) (.cse28 (* 4294967296 aux_div_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130))) (let ((.cse31 (+ .cse27 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse30 .cse28)) (.cse33 (+ .cse27 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93)) (.cse32 (* 4294967296 c_ULTIMATE.start_check_gcd_~gcd)) (.cse29 (* 4294967296 aux_div_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58))) (and (< aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 4294967296) (= (mod (mod aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 (mod c_ULTIMATE.start_check_gcd_~guessed_gcd~0 4294967296)) 4294967296) 0) (< (+ .cse27 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse28) (+ (* 4294967295 c_ULTIMATE.start_check_gcd_~gcd) 4294967296)) (< (+ .cse29 .cse30) c_ULTIMATE.start_check_gcd_~gcd) (<= .cse31 (+ .cse32 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296))) (< .cse33 4294967296) (<= 0 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93) (<= .cse32 .cse31) (< 0 .cse33) (<= .cse32 (+ .cse29 .cse27 aux_mod_aux_mod_aux_mod_aux_mod_aux_mod_ULTIMATE.start_check_gcd_~b_in_47_58_103_130_93 .cse30 .cse28)))))) (< .cse34 (mod (+ c_ULTIMATE.start_check_gcd_~b_in |c_ULTIMATE.start_check_gcd_#in~gcd|) 4294967296)) (<= 1 |c_ULTIMATE.start___VERIFIER_assert_#in~cond|) (= c_ULTIMATE.start_start_~b_in c_ULTIMATE.start_main_~b_in~0) (< .cse34 (mod (+ c_ULTIMATE.start_check_gcd_~b_in c_ULTIMATE.start_check_gcd_~gcd) 4294967296)) (< 0 .cse34) (<= .cse34 .cse35) (<= .cse34 (mod c_ULTIMATE.start_check_gcd_~gcd 4294967296)) (<= .cse14 .cse35) (<= .cse0 (mod |c_ULTIMATE.start_start_#res| 4294967296))))) is different from false [2021-10-22 12:25:26,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-22 12:25:26,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-22 12:25:26,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-10-22 12:25:26,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-22 12:25:26,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-10-22 12:25:26,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-22 12:25:26,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-10-22 12:25:26,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2021-10-22 12:25:26,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:25:26,619 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-10-22 12:25:26,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-22 12:25:26,619 INFO L82 PathProgramCache]: Analyzing trace with hash -486780132, now seen corresponding path program 2 times [2021-10-22 12:25:26,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-22 12:25:26,619 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108078736] [2021-10-22 12:25:26,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-22 12:25:26,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-22 12:25:26,632 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-10-22 12:25:26,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1013860804] [2021-10-22 12:25:26,633 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-22 12:25:26,633 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-22 12:25:26,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-22 12:25:26,655 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-22 12:25:26,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-10-22 12:25:28,283 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-22 12:25:28,283 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-22 12:25:28,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 57 conjunts are in the unsatisfiable core [2021-10-22 12:25:28,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... Received shutdown request... [2021-10-22 12:33:15,092 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-22 12:33:15,104 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-22 12:33:15,104 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2021-10-22 12:33:16,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-10-22 12:33:16,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2021-10-22 12:33:16,294 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-10-22 12:33:16,393 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 137 [2021-10-22 12:33:16,396 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-22 12:33:16,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-22 12:33:16,396 WARN L594 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 93 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while executing Executor. [2021-10-22 12:33:16,397 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-22 12:33:16,397 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-22 12:33:16,397 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-22 12:33:16,398 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-22 12:33:16,403 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-22 12:33:16,403 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-22 12:33:16,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 12:33:16 BasicIcfg [2021-10-22 12:33:16,405 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-22 12:33:16,405 INFO L168 Benchmark]: Toolchain (without parser) took 880646.49 ms. Allocated memory was 189.8 MB in the beginning and 342.9 MB in the end (delta: 153.1 MB). Free memory was 134.9 MB in the beginning and 141.5 MB in the end (delta: -6.7 MB). Peak memory consumption was 182.7 MB. Max. memory is 8.0 GB. [2021-10-22 12:33:16,406 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 189.8 MB. Free memory was 153.0 MB in the beginning and 153.0 MB in the end (delta: 71.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-10-22 12:33:16,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.13 ms. Allocated memory is still 189.8 MB. Free memory was 134.7 MB in the beginning and 154.9 MB in the end (delta: -20.3 MB). Peak memory consumption was 8.5 MB. Max. memory is 8.0 GB. [2021-10-22 12:33:16,406 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.12 ms. Allocated memory is still 189.8 MB. Free memory was 154.9 MB in the beginning and 152.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-22 12:33:16,406 INFO L168 Benchmark]: Boogie Preprocessor took 17.37 ms. Allocated memory is still 189.8 MB. Free memory was 152.6 MB in the beginning and 150.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-22 12:33:16,407 INFO L168 Benchmark]: RCFGBuilder took 420.13 ms. Allocated memory is still 189.8 MB. Free memory was 150.8 MB in the beginning and 117.6 MB in the end (delta: 33.2 MB). Peak memory consumption was 33.6 MB. Max. memory is 8.0 GB. [2021-10-22 12:33:16,407 INFO L168 Benchmark]: TraceAbstraction took 879777.04 ms. Allocated memory was 189.8 MB in the beginning and 342.9 MB in the end (delta: 153.1 MB). Free memory was 117.2 MB in the beginning and 141.5 MB in the end (delta: -24.3 MB). Peak memory consumption was 165.8 MB. Max. memory is 8.0 GB. [2021-10-22 12:33:16,408 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 189.8 MB. Free memory was 153.0 MB in the beginning and 153.0 MB in the end (delta: 71.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 383.13 ms. Allocated memory is still 189.8 MB. Free memory was 134.7 MB in the beginning and 154.9 MB in the end (delta: -20.3 MB). Peak memory consumption was 8.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 45.12 ms. Allocated memory is still 189.8 MB. Free memory was 154.9 MB in the beginning and 152.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.37 ms. Allocated memory is still 189.8 MB. Free memory was 152.6 MB in the beginning and 150.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 420.13 ms. Allocated memory is still 189.8 MB. Free memory was 150.8 MB in the beginning and 117.6 MB in the end (delta: 33.2 MB). Peak memory consumption was 33.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 879777.04 ms. Allocated memory was 189.8 MB in the beginning and 342.9 MB in the end (delta: 153.1 MB). Free memory was 117.2 MB in the beginning and 141.5 MB in the end (delta: -24.3 MB). Peak memory consumption was 165.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 844, positive: 634, positive conditional: 284, positive unconditional: 350, negative: 210, negative conditional: 206, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 638, positive: 634, positive conditional: 0, positive unconditional: 634, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 350, positive: 346, positive conditional: 0, positive unconditional: 346, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 350, positive: 345, positive conditional: 0, positive unconditional: 345, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 638, positive: 288, positive conditional: 0, positive unconditional: 288, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 350, unknown conditional: 0, unknown unconditional: 350] , Statistics on independence cache: Total cache size (in pairs): 350, Positive cache size: 346, Positive conditional cache size: 0, Positive unconditional cache size: 346, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Independence queries for same thread: 206 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 90, Number of persistent set computation: 118, Number of trivial persistent sets: 101, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 844, positive: 634, positive conditional: 284, positive unconditional: 350, negative: 210, negative conditional: 206, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 638, positive: 634, positive conditional: 0, positive unconditional: 634, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 350, positive: 346, positive conditional: 0, positive unconditional: 346, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 350, positive: 345, positive conditional: 0, positive unconditional: 345, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 638, positive: 288, positive conditional: 0, positive unconditional: 288, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 350, unknown conditional: 0, unknown unconditional: 350] , Statistics on independence cache: Total cache size (in pairs): 350, Positive cache size: 346, Positive conditional cache size: 0, Positive unconditional cache size: 346, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Independence queries for same thread: 206 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 93 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 93 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 93 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 729]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 93 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - TimeoutResultAtElement [Line: 730]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 93 with TraceHistMax 2,while TraceCheckSpWp was constructing forward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 132 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 879706.2ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.3ms, PartialOrderReductionTime: 360086.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 133, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 86.9ms SsaConstructionTime, 579.9ms SatisfiabilityAnalysisTime, 46416.6ms InterpolantComputationTime, 651 NumberOfCodeBlocks, 651 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 644 ConstructedInterpolants, 12 QuantifiedInterpolants, 7322 SizeOfPredicates, 102 NumberOfNonLiveVariables, 1254 ConjunctsInSsa, 203 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 2/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown