./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label25.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311041a6-fdd2-4c3f-8518-0807ad96e7c8/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311041a6-fdd2-4c3f-8518-0807ad96e7c8/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311041a6-fdd2-4c3f-8518-0807ad96e7c8/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311041a6-fdd2-4c3f-8518-0807ad96e7c8/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label25.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311041a6-fdd2-4c3f-8518-0807ad96e7c8/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311041a6-fdd2-4c3f-8518-0807ad96e7c8/bin/ukojak-92XMlrwhuB --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash af25e83b6858fff60f7d1f210bf28c8f4df9d888273dfb197f604bfc8ae9e1a1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:30:21,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:30:21,662 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:30:21,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:30:21,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:30:21,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:30:21,736 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:30:21,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:30:21,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:30:21,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:30:21,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:30:21,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:30:21,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:30:21,765 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:30:21,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:30:21,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:30:21,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:30:21,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:30:21,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:30:21,784 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:30:21,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:30:21,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:30:21,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:30:21,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:30:21,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:30:21,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:30:21,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:30:21,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:30:21,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:30:21,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:30:21,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:30:21,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:30:21,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:30:21,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:30:21,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:30:21,823 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:30:21,824 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:30:21,824 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:30:21,824 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:30:21,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:30:21,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:30:21,828 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311041a6-fdd2-4c3f-8518-0807ad96e7c8/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:30:21,878 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:30:21,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:30:21,880 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:30:21,880 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:30:21,881 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:30:21,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:30:21,882 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:30:21,883 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:30:21,883 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:30:21,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:30:21,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:30:21,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:30:21,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:30:21,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:30:21,886 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:30:21,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:30:21,886 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:30:21,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:30:21,887 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:30:21,887 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:30:21,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:30:21,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:21,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:30:21,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:30:21,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:30:21,889 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:30:21,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:30:21,891 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:30:21,892 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_311041a6-fdd2-4c3f-8518-0807ad96e7c8/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311041a6-fdd2-4c3f-8518-0807ad96e7c8/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af25e83b6858fff60f7d1f210bf28c8f4df9d888273dfb197f604bfc8ae9e1a1 [2022-10-17 16:30:22,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:30:22,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:30:22,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:30:22,284 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:30:22,285 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:30:22,287 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311041a6-fdd2-4c3f-8518-0807ad96e7c8/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem14_label25.c [2022-10-17 16:30:22,372 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311041a6-fdd2-4c3f-8518-0807ad96e7c8/bin/ukojak-92XMlrwhuB/data/c3cf2349b/31ad1a1f0d9a4b49a40f6e663c9d40a8/FLAG0e14712c7 [2022-10-17 16:30:23,190 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:30:23,191 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311041a6-fdd2-4c3f-8518-0807ad96e7c8/sv-benchmarks/c/eca-rers2012/Problem14_label25.c [2022-10-17 16:30:23,234 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311041a6-fdd2-4c3f-8518-0807ad96e7c8/bin/ukojak-92XMlrwhuB/data/c3cf2349b/31ad1a1f0d9a4b49a40f6e663c9d40a8/FLAG0e14712c7 [2022-10-17 16:30:23,362 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311041a6-fdd2-4c3f-8518-0807ad96e7c8/bin/ukojak-92XMlrwhuB/data/c3cf2349b/31ad1a1f0d9a4b49a40f6e663c9d40a8 [2022-10-17 16:30:23,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:30:23,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:30:23,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:23,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:30:23,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:30:23,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:23" (1/1) ... [2022-10-17 16:30:23,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ab2d9b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:23, skipping insertion in model container [2022-10-17 16:30:23,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:23" (1/1) ... [2022-10-17 16:30:23,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:30:23,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:30:23,744 WARN L230 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_311041a6-fdd2-4c3f-8518-0807ad96e7c8/sv-benchmarks/c/eca-rers2012/Problem14_label25.c[6534,6547] [2022-10-17 16:30:24,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:24,060 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:30:24,109 WARN L230 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_311041a6-fdd2-4c3f-8518-0807ad96e7c8/sv-benchmarks/c/eca-rers2012/Problem14_label25.c[6534,6547] [2022-10-17 16:30:24,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:24,284 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:30:24,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:24 WrapperNode [2022-10-17 16:30:24,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:24,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:24,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:30:24,289 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:30:24,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:24" (1/1) ... [2022-10-17 16:30:24,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:24" (1/1) ... [2022-10-17 16:30:24,435 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2022-10-17 16:30:24,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:24,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:30:24,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:30:24,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:30:24,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:24" (1/1) ... [2022-10-17 16:30:24,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:24" (1/1) ... [2022-10-17 16:30:24,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:24" (1/1) ... [2022-10-17 16:30:24,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:24" (1/1) ... [2022-10-17 16:30:24,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:24" (1/1) ... [2022-10-17 16:30:24,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:24" (1/1) ... [2022-10-17 16:30:24,608 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:24" (1/1) ... [2022-10-17 16:30:24,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:24" (1/1) ... [2022-10-17 16:30:24,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:30:24,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:30:24,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:30:24,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:30:24,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:24" (1/1) ... [2022-10-17 16:30:24,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:24,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311041a6-fdd2-4c3f-8518-0807ad96e7c8/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:30:24,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311041a6-fdd2-4c3f-8518-0807ad96e7c8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:30:24,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_311041a6-fdd2-4c3f-8518-0807ad96e7c8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:30:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:30:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:30:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:30:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:30:24,828 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:30:24,830 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:30:26,637 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:30:31,751 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:30:31,751 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:30:31,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:31 BoogieIcfgContainer [2022-10-17 16:30:31,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:30:31,756 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:30:31,757 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:30:31,865 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:30:31,865 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:31" (1/1) ... [2022-10-17 16:30:31,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:30:31,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:31,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-10-17 16:30:31,988 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-10-17 16:30:31,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:30:31,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:31,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:32,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:30:32,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:32,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2022-10-17 16:30:32,612 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2022-10-17 16:30:32,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:30:32,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:32,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:32,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat