./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/aim-100-3-4-sat-4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/xcsp/aim-100-3-4-sat-4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 325366449b05e73701eb5562df85d3875575a9386c6c882623320257f180816f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/xcsp/aim-100-3-4-sat-4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 325366449b05e73701eb5562df85d3875575a9386c6c882623320257f180816f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:52:16,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:52:16,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:52:16,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:52:16,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:52:16,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:52:16,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:52:16,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:52:16,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:52:16,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:52:16,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:52:16,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:52:16,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:52:16,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:52:16,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:52:16,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:52:16,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:52:16,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:52:16,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:52:16,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:52:16,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:52:16,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:52:16,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:52:16,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:52:16,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:52:16,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:52:16,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:52:16,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:52:16,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:52:16,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:52:16,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:52:16,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:52:16,649 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:52:16,650 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:52:16,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:52:16,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:52:16,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:52:16,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:52:16,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:52:16,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:52:16,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:52:16,656 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 22:52:16,681 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:52:16,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:52:16,681 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:52:16,682 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:52:16,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:52:16,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:52:16,683 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:52:16,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:52:16,684 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:52:16,684 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:52:16,684 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:52:16,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:52:16,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 22:52:16,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:52:16,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 22:52:16,685 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:52:16,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:52:16,685 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:52:16,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 22:52:16,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:52:16,686 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:52:16,686 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:52:16,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:52:16,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:52:16,687 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:52:16,687 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 22:52:16,687 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:52:16,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 22:52:16,688 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 22:52:16,688 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 22:52:16,688 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 22:52:16,688 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:52:16,689 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 325366449b05e73701eb5562df85d3875575a9386c6c882623320257f180816f [2021-10-28 22:52:16,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:52:16,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:52:16,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:52:16,936 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:52:16,937 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:52:16,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/xcsp/aim-100-3-4-sat-4.c [2021-10-28 22:52:17,007 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/data/04559bc78/6c9ada5921a24fe293fffb73df396789/FLAGcfdf66bb6 [2021-10-28 22:52:17,577 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:52:17,577 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/sv-benchmarks/c/xcsp/aim-100-3-4-sat-4.c [2021-10-28 22:52:17,589 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/data/04559bc78/6c9ada5921a24fe293fffb73df396789/FLAGcfdf66bb6 [2021-10-28 22:52:17,848 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/data/04559bc78/6c9ada5921a24fe293fffb73df396789 [2021-10-28 22:52:17,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:52:17,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:52:17,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:52:17,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:52:17,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:52:17,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:52:17" (1/1) ... [2021-10-28 22:52:17,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@444731c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:17, skipping insertion in model container [2021-10-28 22:52:17,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:52:17" (1/1) ... [2021-10-28 22:52:17,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:52:17,920 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:52:18,395 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/sv-benchmarks/c/xcsp/aim-100-3-4-sat-4.c[29108,29121] [2021-10-28 22:52:18,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:52:18,419 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:52:18,596 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/sv-benchmarks/c/xcsp/aim-100-3-4-sat-4.c[29108,29121] [2021-10-28 22:52:18,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:52:18,614 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:52:18,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:18 WrapperNode [2021-10-28 22:52:18,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:52:18,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:52:18,616 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:52:18,616 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:52:18,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:18" (1/1) ... [2021-10-28 22:52:18,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:18" (1/1) ... [2021-10-28 22:52:18,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:52:18,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:52:18,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:52:18,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:52:18,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:18" (1/1) ... [2021-10-28 22:52:18,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:18" (1/1) ... [2021-10-28 22:52:18,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:18" (1/1) ... [2021-10-28 22:52:18,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:18" (1/1) ... [2021-10-28 22:52:18,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:18" (1/1) ... [2021-10-28 22:52:18,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:18" (1/1) ... [2021-10-28 22:52:19,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:18" (1/1) ... [2021-10-28 22:52:19,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:52:19,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:52:19,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:52:19,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:52:19,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:18" (1/1) ... [2021-10-28 22:52:19,038 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:52:19,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:52:19,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 22:52:19,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 22:52:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:52:19,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:52:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:52:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:52:20,975 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:52:20,975 INFO L299 CfgBuilder]: Removed 1038 assume(true) statements. [2021-10-28 22:52:20,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:52:20 BoogieIcfgContainer [2021-10-28 22:52:20,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:52:20,980 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 22:52:20,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 22:52:20,984 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 22:52:20,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:52:17" (1/3) ... [2021-10-28 22:52:20,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a386057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:52:20, skipping insertion in model container [2021-10-28 22:52:20,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:18" (2/3) ... [2021-10-28 22:52:20,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a386057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:52:20, skipping insertion in model container [2021-10-28 22:52:20,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:52:20" (3/3) ... [2021-10-28 22:52:20,987 INFO L111 eAbstractionObserver]: Analyzing ICFG aim-100-3-4-sat-4.c [2021-10-28 22:52:20,992 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 22:52:20,993 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 22:52:21,046 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 22:52:21,052 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 22:52:21,052 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 22:52:21,091 INFO L276 IsEmpty]: Start isEmpty. Operand has 1040 states, 1038 states have (on average 1.4990366088631986) internal successors, (1556), 1039 states have internal predecessors, (1556), 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) [2021-10-28 22:52:21,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1037 [2021-10-28 22:52:21,198 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:52:21,200 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:52:21,201 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:52:21,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:52:21,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1329801, now seen corresponding path program 1 times [2021-10-28 22:52:21,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:52:21,218 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133201828] [2021-10-28 22:52:21,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:52:21,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:52:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:52:22,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:52:22,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 22:52:22,126 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133201828] [2021-10-28 22:52:22,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133201828] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 22:52:22,127 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:52:22,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 22:52:22,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317250759] [2021-10-28 22:52:22,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 22:52:22,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 22:52:22,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 22:52:22,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:52:22,174 INFO L87 Difference]: Start difference. First operand has 1040 states, 1038 states have (on average 1.4990366088631986) internal successors, (1556), 1039 states have internal predecessors, (1556), 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) Second operand has 2 states, 2 states have (on average 518.0) internal successors, (1036), 2 states have internal predecessors, (1036), 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) [2021-10-28 22:52:22,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:52:22,233 INFO L93 Difference]: Finished difference Result 2074 states and 3106 transitions. [2021-10-28 22:52:22,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 22:52:22,235 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 518.0) internal successors, (1036), 2 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1036 [2021-10-28 22:52:22,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:52:22,255 INFO L225 Difference]: With dead ends: 2074 [2021-10-28 22:52:22,256 INFO L226 Difference]: Without dead ends: 1037 [2021-10-28 22:52:22,263 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:52:22,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2021-10-28 22:52:22,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 1037. [2021-10-28 22:52:22,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 1036 states have (on average 1.0) internal successors, (1036), 1036 states have internal predecessors, (1036), 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) [2021-10-28 22:52:22,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1036 transitions. [2021-10-28 22:52:22,341 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1036 transitions. Word has length 1036 [2021-10-28 22:52:22,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:52:22,342 INFO L470 AbstractCegarLoop]: Abstraction has 1037 states and 1036 transitions. [2021-10-28 22:52:22,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 518.0) internal successors, (1036), 2 states have internal predecessors, (1036), 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) [2021-10-28 22:52:22,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1036 transitions. [2021-10-28 22:52:22,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1037 [2021-10-28 22:52:22,381 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:52:22,382 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:52:22,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 22:52:22,383 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:52:22,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:52:22,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1410680877, now seen corresponding path program 1 times [2021-10-28 22:52:22,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 22:52:22,385 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999346671] [2021-10-28 22:52:22,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:52:22,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 22:52:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:52:25,725 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:52:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:52:30,776 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 22:52:30,777 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 22:52:30,779 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:52:30,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 22:52:30,784 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-28 22:52:30,788 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 22:52:31,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:52:31 BoogieIcfgContainer [2021-10-28 22:52:31,376 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 22:52:31,378 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:52:31,378 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:52:31,378 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:52:31,379 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:52:20" (3/4) ... [2021-10-28 22:52:31,382 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 22:52:31,382 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:52:31,384 INFO L168 Benchmark]: Toolchain (without parser) took 13530.92 ms. Allocated memory was 109.1 MB in the beginning and 528.5 MB in the end (delta: 419.4 MB). Free memory was 78.1 MB in the beginning and 371.9 MB in the end (delta: -293.9 MB). Peak memory consumption was 125.7 MB. Max. memory is 16.1 GB. [2021-10-28 22:52:31,385 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 109.1 MB. Free memory is still 65.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:52:31,388 INFO L168 Benchmark]: CACSL2BoogieTranslator took 761.52 ms. Allocated memory was 109.1 MB in the beginning and 153.1 MB in the end (delta: 44.0 MB). Free memory was 78.1 MB in the beginning and 91.4 MB in the end (delta: -13.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:52:31,389 INFO L168 Benchmark]: Boogie Procedure Inliner took 259.20 ms. Allocated memory is still 153.1 MB. Free memory was 91.4 MB in the beginning and 101.1 MB in the end (delta: -9.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:52:31,394 INFO L168 Benchmark]: Boogie Preprocessor took 149.17 ms. Allocated memory is still 153.1 MB. Free memory was 101.1 MB in the beginning and 87.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 22:52:31,395 INFO L168 Benchmark]: RCFGBuilder took 1953.04 ms. Allocated memory is still 153.1 MB. Free memory was 87.5 MB in the beginning and 65.0 MB in the end (delta: 22.5 MB). Peak memory consumption was 56.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:52:31,396 INFO L168 Benchmark]: TraceAbstraction took 10396.24 ms. Allocated memory was 153.1 MB in the beginning and 528.5 MB in the end (delta: 375.4 MB). Free memory was 64.8 MB in the beginning and 373.0 MB in the end (delta: -308.2 MB). Peak memory consumption was 316.7 MB. Max. memory is 16.1 GB. [2021-10-28 22:52:31,398 INFO L168 Benchmark]: Witness Printer took 4.42 ms. Allocated memory is still 528.5 MB. Free memory was 373.0 MB in the beginning and 371.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:52:31,405 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 109.1 MB. Free memory is still 65.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 761.52 ms. Allocated memory was 109.1 MB in the beginning and 153.1 MB in the end (delta: 44.0 MB). Free memory was 78.1 MB in the beginning and 91.4 MB in the end (delta: -13.4 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 259.20 ms. Allocated memory is still 153.1 MB. Free memory was 91.4 MB in the beginning and 101.1 MB in the end (delta: -9.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 149.17 ms. Allocated memory is still 153.1 MB. Free memory was 101.1 MB in the beginning and 87.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1953.04 ms. Allocated memory is still 153.1 MB. Free memory was 87.5 MB in the beginning and 65.0 MB in the end (delta: 22.5 MB). Peak memory consumption was 56.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 10396.24 ms. Allocated memory was 153.1 MB in the beginning and 528.5 MB in the end (delta: 375.4 MB). Free memory was 64.8 MB in the beginning and 373.0 MB in the end (delta: -308.2 MB). Peak memory consumption was 316.7 MB. Max. memory is 16.1 GB. * Witness Printer took 4.42 ms. Allocated memory is still 528.5 MB. Free memory was 373.0 MB in the beginning and 371.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 767]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 766. Possible FailurePath: [L24] int cond0; [L25] int dummy = 0; [L26] int N; [L27] int var0; [L28] var0 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L31] int var1; [L32] var1 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L35] int var2; [L36] var2 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L39] int var3; [L40] var3 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L43] int var4; [L44] var4 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L47] int var5; [L48] var5 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L51] int var6; [L52] var6 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L55] int var7; [L56] var7 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L59] int var8; [L60] var8 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L63] int var9; [L64] var9 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L67] int var10; [L68] var10 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L71] int var11; [L72] var11 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L75] int var12; [L76] var12 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L79] int var13; [L80] var13 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L83] int var14; [L84] var14 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L87] int var15; [L88] var15 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L91] int var16; [L92] var16 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L95] int var17; [L96] var17 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L99] int var18; [L100] var18 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L103] int var19; [L104] var19 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L107] int var20; [L108] var20 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L111] int var21; [L112] var21 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L115] int var22; [L116] var22 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L119] int var23; [L120] var23 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L123] int var24; [L124] var24 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L127] int var25; [L128] var25 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L131] int var26; [L132] var26 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L135] int var27; [L136] var27 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L139] int var28; [L140] var28 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L143] int var29; [L144] var29 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L147] int var30; [L148] var30 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L151] int var31; [L152] var31 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L155] int var32; [L156] var32 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L159] int var33; [L160] var33 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L163] int var34; [L164] var34 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L167] int var35; [L168] var35 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L171] int var36; [L172] var36 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L175] int var37; [L176] var37 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L179] int var38; [L180] var38 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L183] int var39; [L184] var39 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L187] int var40; [L188] var40 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L191] int var41; [L192] var41 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L195] int var42; [L196] var42 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L199] int var43; [L200] var43 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L203] int var44; [L204] var44 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L207] int var45; [L208] var45 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L211] int var46; [L212] var46 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L215] int var47; [L216] var47 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L219] int var48; [L220] var48 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L223] int var49; [L224] var49 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L227] int var50; [L228] var50 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L231] int var51; [L232] var51 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L235] int var52; [L236] var52 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L239] int var53; [L240] var53 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L243] int var54; [L244] var54 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L247] int var55; [L248] var55 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L251] int var56; [L252] var56 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L255] int var57; [L256] var57 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L259] int var58; [L260] var58 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L263] int var59; [L264] var59 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L267] int var60; [L268] var60 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L271] int var61; [L272] var61 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L275] int var62; [L276] var62 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L279] int var63; [L280] var63 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L283] int var64; [L284] var64 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L287] int var65; [L288] var65 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L291] int var66; [L292] var66 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L295] int var67; [L296] var67 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L299] int var68; [L300] var68 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L303] int var69; [L304] var69 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L307] int var70; [L308] var70 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L311] int var71; [L312] var71 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L315] int var72; [L316] var72 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L319] int var73; [L320] var73 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L323] int var74; [L324] var74 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L327] int var75; [L328] var75 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L331] int var76; [L332] var76 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L335] int var77; [L336] var77 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L339] int var78; [L340] var78 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L343] int var79; [L344] var79 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L347] int var80; [L348] var80 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L351] int var81; [L352] var81 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L355] int var82; [L356] var82 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L359] int var83; [L360] var83 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L363] int var84; [L364] var84 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L367] int var85; [L368] var85 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L371] int var86; [L372] var86 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L375] int var87; [L376] var87 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L379] int var88; [L380] var88 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L383] int var89; [L384] var89 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L387] int var90; [L388] var90 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L391] int var91; [L392] var91 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L395] int var92; [L396] var92 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L399] int var93; [L400] var93 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L403] int var94; [L404] var94 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L407] int var95; [L408] var95 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L411] int var96; [L412] var96 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L415] int var97; [L416] var97 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L419] int var98; [L420] var98 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L423] int var99; [L424] var99 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L427] int myvar0 = 1; [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L767] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1040 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1036 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1040occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 2072 NumberOfCodeBlocks, 2072 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1035 ConstructedInterpolants, 0 QuantifiedInterpolants, 1035 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: unable to determine feasibility of some traces [2021-10-28 22:52:31,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:52:33,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:52:33,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:52:33,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:52:33,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:52:33,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:52:33,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:52:33,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:52:33,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:52:33,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:52:33,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:52:33,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:52:33,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:52:33,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:52:33,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:52:33,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:52:33,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:52:33,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:52:33,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:52:34,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:52:34,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:52:34,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:52:34,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:52:34,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:52:34,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:52:34,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:52:34,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:52:34,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:52:34,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:52:34,027 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:52:34,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:52:34,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:52:34,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:52:34,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:52:34,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:52:34,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:52:34,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:52:34,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:52:34,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:52:34,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:52:34,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:52:34,042 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-10-28 22:52:34,082 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:52:34,083 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:52:34,084 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:52:34,084 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:52:34,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:52:34,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:52:34,086 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:52:34,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:52:34,087 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:52:34,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:52:34,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:52:34,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 22:52:34,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 22:52:34,089 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 22:52:34,090 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-28 22:52:34,090 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-28 22:52:34,090 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:52:34,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:52:34,091 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:52:34,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 22:52:34,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:52:34,092 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:52:34,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 22:52:34,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:52:34,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:52:34,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 22:52:34,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 22:52:34,094 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-28 22:52:34,094 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-28 22:52:34,095 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 22:52:34,095 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 22:52:34,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 22:52:34,096 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:52:34,096 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-28 22:52:34,096 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 325366449b05e73701eb5562df85d3875575a9386c6c882623320257f180816f [2021-10-28 22:52:34,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:52:34,521 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:52:34,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:52:34,526 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:52:34,527 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:52:34,527 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/xcsp/aim-100-3-4-sat-4.c [2021-10-28 22:52:34,607 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/data/7f2592d7b/3f54aa5eabd64cefbdf20f726f9a5e4d/FLAGc94d4ce11 [2021-10-28 22:52:35,163 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:52:35,163 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/sv-benchmarks/c/xcsp/aim-100-3-4-sat-4.c [2021-10-28 22:52:35,181 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/data/7f2592d7b/3f54aa5eabd64cefbdf20f726f9a5e4d/FLAGc94d4ce11 [2021-10-28 22:52:35,431 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/data/7f2592d7b/3f54aa5eabd64cefbdf20f726f9a5e4d [2021-10-28 22:52:35,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:52:35,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:52:35,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:52:35,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:52:35,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:52:35,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:52:35" (1/1) ... [2021-10-28 22:52:35,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f48b336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:35, skipping insertion in model container [2021-10-28 22:52:35,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:52:35" (1/1) ... [2021-10-28 22:52:35,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:52:35,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:52:36,000 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/sv-benchmarks/c/xcsp/aim-100-3-4-sat-4.c[29108,29121] [2021-10-28 22:52:36,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:52:36,025 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:52:36,199 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/sv-benchmarks/c/xcsp/aim-100-3-4-sat-4.c[29108,29121] [2021-10-28 22:52:36,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:52:36,230 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:52:36,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:36 WrapperNode [2021-10-28 22:52:36,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:52:36,234 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:52:36,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:52:36,234 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:52:36,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:36" (1/1) ... [2021-10-28 22:52:36,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:36" (1/1) ... [2021-10-28 22:52:36,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:52:36,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:52:36,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:52:36,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:52:36,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:36" (1/1) ... [2021-10-28 22:52:36,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:36" (1/1) ... [2021-10-28 22:52:36,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:36" (1/1) ... [2021-10-28 22:52:36,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:36" (1/1) ... [2021-10-28 22:52:36,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:36" (1/1) ... [2021-10-28 22:52:36,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:36" (1/1) ... [2021-10-28 22:52:36,673 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:36" (1/1) ... [2021-10-28 22:52:36,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:52:36,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:52:36,702 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:52:36,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:52:36,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:36" (1/1) ... [2021-10-28 22:52:36,714 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 22:52:36,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:52:36,747 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 22:52:36,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 22:52:36,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:52:36,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:52:36,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-28 22:52:36,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:52:39,320 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:52:39,322 INFO L299 CfgBuilder]: Removed 1038 assume(true) statements. [2021-10-28 22:52:39,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:52:39 BoogieIcfgContainer [2021-10-28 22:52:39,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:52:39,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 22:52:39,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 22:52:39,331 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 22:52:39,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:52:35" (1/3) ... [2021-10-28 22:52:39,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392cf142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:52:39, skipping insertion in model container [2021-10-28 22:52:39,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:52:36" (2/3) ... [2021-10-28 22:52:39,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392cf142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:52:39, skipping insertion in model container [2021-10-28 22:52:39,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:52:39" (3/3) ... [2021-10-28 22:52:39,335 INFO L111 eAbstractionObserver]: Analyzing ICFG aim-100-3-4-sat-4.c [2021-10-28 22:52:39,340 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 22:52:39,340 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 22:52:39,409 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 22:52:39,418 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 22:52:39,418 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 22:52:39,461 INFO L276 IsEmpty]: Start isEmpty. Operand has 1040 states, 1038 states have (on average 1.4990366088631986) internal successors, (1556), 1039 states have internal predecessors, (1556), 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) [2021-10-28 22:52:39,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1037 [2021-10-28 22:52:39,560 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:52:39,562 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:52:39,563 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:52:39,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:52:39,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1329801, now seen corresponding path program 1 times [2021-10-28 22:52:39,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 22:52:39,593 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2120505967] [2021-10-28 22:52:39,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:52:39,595 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 22:52:39,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 22:52:39,601 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 22:52:39,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-28 22:52:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 22:52:40,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 1675 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-28 22:52:40,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 22:52:42,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:52:42,938 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-28 22:52:44,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 22:52:44,758 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-10-28 22:52:44,762 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2120505967] [2021-10-28 22:52:44,763 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2120505967] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-28 22:52:44,763 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-28 22:52:44,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-28 22:52:44,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241915894] [2021-10-28 22:52:44,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 22:52:44,778 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-10-28 22:52:44,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 22:52:44,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:52:44,795 INFO L87 Difference]: Start difference. First operand has 1040 states, 1038 states have (on average 1.4990366088631986) internal successors, (1556), 1039 states have internal predecessors, (1556), 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) Second operand has 2 states, 2 states have (on average 518.0) internal successors, (1036), 2 states have internal predecessors, (1036), 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) [2021-10-28 22:52:44,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 22:52:44,874 INFO L93 Difference]: Finished difference Result 2074 states and 3106 transitions. [2021-10-28 22:52:44,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 22:52:44,877 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 518.0) internal successors, (1036), 2 states have internal predecessors, (1036), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1036 [2021-10-28 22:52:44,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 22:52:44,902 INFO L225 Difference]: With dead ends: 2074 [2021-10-28 22:52:44,902 INFO L226 Difference]: Without dead ends: 1037 [2021-10-28 22:52:44,911 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2070 GetRequests, 2070 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 22:52:44,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2021-10-28 22:52:45,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 1037. [2021-10-28 22:52:45,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 1036 states have (on average 1.0) internal successors, (1036), 1036 states have internal predecessors, (1036), 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) [2021-10-28 22:52:45,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1036 transitions. [2021-10-28 22:52:45,015 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1036 transitions. Word has length 1036 [2021-10-28 22:52:45,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 22:52:45,016 INFO L470 AbstractCegarLoop]: Abstraction has 1037 states and 1036 transitions. [2021-10-28 22:52:45,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 518.0) internal successors, (1036), 2 states have internal predecessors, (1036), 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) [2021-10-28 22:52:45,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1036 transitions. [2021-10-28 22:52:45,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1037 [2021-10-28 22:52:45,092 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 22:52:45,093 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 22:52:45,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-28 22:52:45,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 22:52:45,309 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 22:52:45,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 22:52:45,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1410680877, now seen corresponding path program 1 times [2021-10-28 22:52:45,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-28 22:52:45,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1426813965] [2021-10-28 22:52:45,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 22:52:45,319 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-28 22:52:45,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/mathsat [2021-10-28 22:52:45,320 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-28 22:52:45,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-28 22:52:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:52:52,828 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 22:53:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 22:53:01,931 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-28 22:53:01,932 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 22:53:01,933 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 22:53:01,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-28 22:53:02,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/mathsat -unsat_core_generation=3 [2021-10-28 22:53:02,145 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-28 22:53:02,149 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 22:53:02,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:53:02 BoogieIcfgContainer [2021-10-28 22:53:02,699 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 22:53:02,743 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:53:02,743 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:53:02,743 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:53:02,743 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:52:39" (3/4) ... [2021-10-28 22:53:02,745 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 22:53:03,216 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 22:53:03,217 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:53:03,219 INFO L168 Benchmark]: Toolchain (without parser) took 27780.91 ms. Allocated memory was 58.7 MB in the beginning and 274.7 MB in the end (delta: 216.0 MB). Free memory was 34.6 MB in the beginning and 107.4 MB in the end (delta: -72.9 MB). Peak memory consumption was 165.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:53:03,219 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 58.7 MB. Free memory is still 39.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:53:03,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 794.26 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 34.4 MB in the beginning and 43.3 MB in the end (delta: -8.9 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:53:03,221 INFO L168 Benchmark]: Boogie Procedure Inliner took 245.84 ms. Allocated memory is still 73.4 MB. Free memory was 43.3 MB in the beginning and 36.1 MB in the end (delta: 7.2 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2021-10-28 22:53:03,221 INFO L168 Benchmark]: Boogie Preprocessor took 220.08 ms. Allocated memory was 73.4 MB in the beginning and 107.0 MB in the end (delta: 33.6 MB). Free memory was 36.1 MB in the beginning and 68.3 MB in the end (delta: -32.2 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:53:03,222 INFO L168 Benchmark]: RCFGBuilder took 2624.75 ms. Allocated memory was 107.0 MB in the beginning and 165.7 MB in the end (delta: 58.7 MB). Free memory was 68.3 MB in the beginning and 115.7 MB in the end (delta: -47.4 MB). Peak memory consumption was 30.0 MB. Max. memory is 16.1 GB. [2021-10-28 22:53:03,222 INFO L168 Benchmark]: TraceAbstraction took 23413.52 ms. Allocated memory was 165.7 MB in the beginning and 228.6 MB in the end (delta: 62.9 MB). Free memory was 115.7 MB in the beginning and 133.5 MB in the end (delta: -17.8 MB). Peak memory consumption was 181.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:53:03,223 INFO L168 Benchmark]: Witness Printer took 474.33 ms. Allocated memory was 228.6 MB in the beginning and 274.7 MB in the end (delta: 46.1 MB). Free memory was 133.5 MB in the beginning and 107.4 MB in the end (delta: 26.1 MB). Peak memory consumption was 94.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:53:03,226 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 58.7 MB. Free memory is still 39.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 794.26 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 34.4 MB in the beginning and 43.3 MB in the end (delta: -8.9 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 245.84 ms. Allocated memory is still 73.4 MB. Free memory was 43.3 MB in the beginning and 36.1 MB in the end (delta: 7.2 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 220.08 ms. Allocated memory was 73.4 MB in the beginning and 107.0 MB in the end (delta: 33.6 MB). Free memory was 36.1 MB in the beginning and 68.3 MB in the end (delta: -32.2 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2624.75 ms. Allocated memory was 107.0 MB in the beginning and 165.7 MB in the end (delta: 58.7 MB). Free memory was 68.3 MB in the beginning and 115.7 MB in the end (delta: -47.4 MB). Peak memory consumption was 30.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 23413.52 ms. Allocated memory was 165.7 MB in the beginning and 228.6 MB in the end (delta: 62.9 MB). Free memory was 115.7 MB in the beginning and 133.5 MB in the end (delta: -17.8 MB). Peak memory consumption was 181.3 MB. Max. memory is 16.1 GB. * Witness Printer took 474.33 ms. Allocated memory was 228.6 MB in the beginning and 274.7 MB in the end (delta: 46.1 MB). Free memory was 133.5 MB in the beginning and 107.4 MB in the end (delta: 26.1 MB). Peak memory consumption was 94.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 767]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L24] int cond0; [L25] int dummy = 0; [L26] int N; [L27] int var0; [L28] var0 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L31] int var1; [L32] var1 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L35] int var2; [L36] var2 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L39] int var3; [L40] var3 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L43] int var4; [L44] var4 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L47] int var5; [L48] var5 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L51] int var6; [L52] var6 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L55] int var7; [L56] var7 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L59] int var8; [L60] var8 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L63] int var9; [L64] var9 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L67] int var10; [L68] var10 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L71] int var11; [L72] var11 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L75] int var12; [L76] var12 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L79] int var13; [L80] var13 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L83] int var14; [L84] var14 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L87] int var15; [L88] var15 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L91] int var16; [L92] var16 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L95] int var17; [L96] var17 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L99] int var18; [L100] var18 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L103] int var19; [L104] var19 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L107] int var20; [L108] var20 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L111] int var21; [L112] var21 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L115] int var22; [L116] var22 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L119] int var23; [L120] var23 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L123] int var24; [L124] var24 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L127] int var25; [L128] var25 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L131] int var26; [L132] var26 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L135] int var27; [L136] var27 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L139] int var28; [L140] var28 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L143] int var29; [L144] var29 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L147] int var30; [L148] var30 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L151] int var31; [L152] var31 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L155] int var32; [L156] var32 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L159] int var33; [L160] var33 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L163] int var34; [L164] var34 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L167] int var35; [L168] var35 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L171] int var36; [L172] var36 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L175] int var37; [L176] var37 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L179] int var38; [L180] var38 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L183] int var39; [L184] var39 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L187] int var40; [L188] var40 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L191] int var41; [L192] var41 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L195] int var42; [L196] var42 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L199] int var43; [L200] var43 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L203] int var44; [L204] var44 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L207] int var45; [L208] var45 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L211] int var46; [L212] var46 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L215] int var47; [L216] var47 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L219] int var48; [L220] var48 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L223] int var49; [L224] var49 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L227] int var50; [L228] var50 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L231] int var51; [L232] var51 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L235] int var52; [L236] var52 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L239] int var53; [L240] var53 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L243] int var54; [L244] var54 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L247] int var55; [L248] var55 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L251] int var56; [L252] var56 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L255] int var57; [L256] var57 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L259] int var58; [L260] var58 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L263] int var59; [L264] var59 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L267] int var60; [L268] var60 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L271] int var61; [L272] var61 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L275] int var62; [L276] var62 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L279] int var63; [L280] var63 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L283] int var64; [L284] var64 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L287] int var65; [L288] var65 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L291] int var66; [L292] var66 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L295] int var67; [L296] var67 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L299] int var68; [L300] var68 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L303] int var69; [L304] var69 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L307] int var70; [L308] var70 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L311] int var71; [L312] var71 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L315] int var72; [L316] var72 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L319] int var73; [L320] var73 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L323] int var74; [L324] var74 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L327] int var75; [L328] var75 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L331] int var76; [L332] var76 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L335] int var77; [L336] var77 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L339] int var78; [L340] var78 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L343] int var79; [L344] var79 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L347] int var80; [L348] var80 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L351] int var81; [L352] var81 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L355] int var82; [L356] var82 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L359] int var83; [L360] var83 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L363] int var84; [L364] var84 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L367] int var85; [L368] var85 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L371] int var86; [L372] var86 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L375] int var87; [L376] var87 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L379] int var88; [L380] var88 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L383] int var89; [L384] var89 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L387] int var90; [L388] var90 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L391] int var91; [L392] var91 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L395] int var92; [L396] var92 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L399] int var93; [L400] var93 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L403] int var94; [L404] var94 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L407] int var95; [L408] var95 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L411] int var96; [L412] var96 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L415] int var97; [L416] var97 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L419] int var98; [L420] var98 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L423] int var99; [L424] var99 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L427] int myvar0 = 1; [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L767] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1040 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1036 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2070 GetRequests, 2070 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1040occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 7.4s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 2072 NumberOfCodeBlocks, 2072 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2070 ConstructedInterpolants, 0 QuantifiedInterpolants, 2070 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1675 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 proved your program to be incorrect! [2021-10-28 22:53:03,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4fa4599-02f6-4078-9108-c97077f77189/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...