./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/AllInterval-005.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_541d6992-b420-4a04-a4e5-11869d450663/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d6992-b420-4a04-a4e5-11869d450663/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_541d6992-b420-4a04-a4e5-11869d450663/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d6992-b420-4a04-a4e5-11869d450663/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/AllInterval-005.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d6992-b420-4a04-a4e5-11869d450663/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_541d6992-b420-4a04-a4e5-11869d450663/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 a9f3ee9eee9186ec2e7139b6da07915cfbf3926b7d28b3dac4ebf3fd8205beb2 --- 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 17:02:16,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:02:16,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:02:16,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:02:16,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:02:16,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:02:16,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:02:16,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:02:16,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:02:16,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:02:16,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:02:16,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:02:16,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:02:16,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:02:16,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:02:16,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:02:16,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:02:16,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:02:16,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:02:16,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:02:16,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:02:16,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:02:16,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:02:16,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:02:16,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:02:16,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:02:16,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:02:16,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:02:16,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:02:16,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:02:16,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:02:16,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:02:16,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:02:16,940 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:02:16,941 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:02:16,942 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:02:16,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:02:16,943 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:02:16,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:02:16,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:02:16,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:02:16,945 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d6992-b420-4a04-a4e5-11869d450663/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:02:16,994 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:02:16,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:02:16,995 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:02:16,996 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:02:16,996 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:02:16,997 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:02:16,997 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:02:16,997 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:02:16,997 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:02:16,998 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:02:16,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:02:16,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:02:16,999 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:02:17,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:02:17,000 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:02:17,000 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:02:17,000 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:02:17,001 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:02:17,001 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:02:17,001 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:02:17,001 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:02:17,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:17,002 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:02:17,002 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:02:17,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:02:17,003 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:02:17,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:02:17,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:02:17,003 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_541d6992-b420-4a04-a4e5-11869d450663/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d6992-b420-4a04-a4e5-11869d450663/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9f3ee9eee9186ec2e7139b6da07915cfbf3926b7d28b3dac4ebf3fd8205beb2 [2022-10-17 17:02:17,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:02:17,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:02:17,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:02:17,351 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:02:17,353 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:02:17,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d6992-b420-4a04-a4e5-11869d450663/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/xcsp/AllInterval-005.c [2022-10-17 17:02:17,424 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d6992-b420-4a04-a4e5-11869d450663/bin/ukojak-92XMlrwhuB/data/9a6a03220/bb9fb3101d99441d891a73d4e8bf0c6d/FLAG8e9fa25ef [2022-10-17 17:02:17,947 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:02:17,948 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d6992-b420-4a04-a4e5-11869d450663/sv-benchmarks/c/xcsp/AllInterval-005.c [2022-10-17 17:02:17,958 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d6992-b420-4a04-a4e5-11869d450663/bin/ukojak-92XMlrwhuB/data/9a6a03220/bb9fb3101d99441d891a73d4e8bf0c6d/FLAG8e9fa25ef [2022-10-17 17:02:18,326 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d6992-b420-4a04-a4e5-11869d450663/bin/ukojak-92XMlrwhuB/data/9a6a03220/bb9fb3101d99441d891a73d4e8bf0c6d [2022-10-17 17:02:18,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:02:18,332 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:02:18,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:18,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:02:18,337 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:02:18,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:18" (1/1) ... [2022-10-17 17:02:18,341 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed6b427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:18, skipping insertion in model container [2022-10-17 17:02:18,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:18" (1/1) ... [2022-10-17 17:02:18,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:02:18,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:02:18,645 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_541d6992-b420-4a04-a4e5-11869d450663/sv-benchmarks/c/xcsp/AllInterval-005.c[2566,2579] [2022-10-17 17:02:18,658 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:18,669 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:02:18,711 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_541d6992-b420-4a04-a4e5-11869d450663/sv-benchmarks/c/xcsp/AllInterval-005.c[2566,2579] [2022-10-17 17:02:18,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:18,729 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:02:18,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:18 WrapperNode [2022-10-17 17:02:18,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:18,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:18,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:02:18,734 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:02:18,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:18" (1/1) ... [2022-10-17 17:02:18,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:18" (1/1) ... [2022-10-17 17:02:18,793 INFO L138 Inliner]: procedures = 13, calls = 45, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 116 [2022-10-17 17:02:18,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:18,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:02:18,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:02:18,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:02:18,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:18" (1/1) ... [2022-10-17 17:02:18,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:18" (1/1) ... [2022-10-17 17:02:18,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:18" (1/1) ... [2022-10-17 17:02:18,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:18" (1/1) ... [2022-10-17 17:02:18,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:18" (1/1) ... [2022-10-17 17:02:18,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:18" (1/1) ... [2022-10-17 17:02:18,818 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:18" (1/1) ... [2022-10-17 17:02:18,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:18" (1/1) ... [2022-10-17 17:02:18,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:02:18,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:02:18,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:02:18,823 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:02:18,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:18" (1/1) ... [2022-10-17 17:02:18,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:18,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d6992-b420-4a04-a4e5-11869d450663/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:02:18,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d6992-b420-4a04-a4e5-11869d450663/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:02:18,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d6992-b420-4a04-a4e5-11869d450663/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:02:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:02:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:02:18,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:02:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:02:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2022-10-17 17:02:18,894 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2022-10-17 17:02:18,957 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:02:18,959 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:02:19,237 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:02:19,353 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:02:19,353 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 17:02:19,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:19 BoogieIcfgContainer [2022-10-17 17:02:19,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:02:19,357 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:02:19,357 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:02:19,374 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:02:19,374 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:19" (1/1) ... [2022-10-17 17:02:19,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:02:19,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:19,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 57 states and 93 transitions. [2022-10-17 17:02:19,472 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 93 transitions. [2022-10-17 17:02:19,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-17 17:02:19,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:19,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:02:20,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:02:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:02:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:02:20,712 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 17:02:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 17:02:20,857 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2022-10-17 17:02:20,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:02:20 ImpRootNode [2022-10-17 17:02:20,931 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:02:20,932 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:02:20,932 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:02:20,933 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:02:20,933 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:19" (3/4) ... [2022-10-17 17:02:20,935 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 17:02:21,079 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d6992-b420-4a04-a4e5-11869d450663/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:02:21,079 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:02:21,080 INFO L158 Benchmark]: Toolchain (without parser) took 2747.85ms. Allocated memory was 107.0MB in the beginning and 161.5MB in the end (delta: 54.5MB). Free memory was 67.2MB in the beginning and 130.8MB in the end (delta: -63.6MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2022-10-17 17:02:21,080 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:02:21,080 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.07ms. Allocated memory is still 107.0MB. Free memory was 67.0MB in the beginning and 78.3MB in the end (delta: -11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 17:02:21,081 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.20ms. Allocated memory is still 107.0MB. Free memory was 78.3MB in the beginning and 76.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:02:21,081 INFO L158 Benchmark]: Boogie Preprocessor took 27.12ms. Allocated memory is still 107.0MB. Free memory was 76.6MB in the beginning and 75.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:02:21,081 INFO L158 Benchmark]: RCFGBuilder took 533.48ms. Allocated memory is still 107.0MB. Free memory was 75.4MB in the beginning and 58.2MB in the end (delta: 17.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-10-17 17:02:21,082 INFO L158 Benchmark]: CodeCheck took 1574.83ms. Allocated memory was 107.0MB in the beginning and 161.5MB in the end (delta: 54.5MB). Free memory was 58.2MB in the beginning and 81.8MB in the end (delta: -23.6MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. [2022-10-17 17:02:21,082 INFO L158 Benchmark]: Witness Printer took 147.07ms. Allocated memory is still 161.5MB. Free memory was 81.8MB in the beginning and 130.8MB in the end (delta: -49.0MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2022-10-17 17:02:21,084 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 129 NumberOfCodeBlocks, 129 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 93]: 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() [L29] CALL assume(var0 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L29] RET assume(var0 >= 0) VAL [dummy=0, var0=0] [L30] CALL assume(var0 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L30] RET assume(var0 <= 4) VAL [dummy=0, var0=0] [L31] int var1; [L32] var1 = __VERIFIER_nondet_int() [L33] CALL assume(var1 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L33] RET assume(var1 >= 0) VAL [dummy=0, var0=0, var1=4] [L34] CALL assume(var1 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L34] RET assume(var1 <= 4) VAL [dummy=0, var0=0, var1=4] [L35] int var2; [L36] var2 = __VERIFIER_nondet_int() [L37] CALL assume(var2 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L37] RET assume(var2 >= 0) VAL [dummy=0, var0=0, var1=4, var2=1] [L38] CALL assume(var2 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L38] RET assume(var2 <= 4) VAL [dummy=0, var0=0, var1=4, var2=1] [L39] int var3; [L40] var3 = __VERIFIER_nondet_int() [L41] CALL assume(var3 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L41] RET assume(var3 >= 0) VAL [dummy=0, var0=0, var1=4, var2=1, var3=3] [L42] CALL assume(var3 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L42] RET assume(var3 <= 4) VAL [dummy=0, var0=0, var1=4, var2=1, var3=3] [L43] int var4; [L44] var4 = __VERIFIER_nondet_int() [L45] CALL assume(var4 >= 0) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L45] RET assume(var4 >= 0) VAL [dummy=0, var0=0, var1=4, var2=1, var3=3, var4=2] [L46] CALL assume(var4 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L46] RET assume(var4 <= 4) VAL [dummy=0, var0=0, var1=4, var2=1, var3=3, var4=2] [L47] int var5; [L48] var5 = __VERIFIER_nondet_int() [L49] CALL assume(var5 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L49] RET assume(var5 >= 1) VAL [dummy=0, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4] [L50] CALL assume(var5 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L50] RET assume(var5 <= 4) VAL [dummy=0, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4] [L51] int var6; [L52] var6 = __VERIFIER_nondet_int() [L53] CALL assume(var6 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L53] RET assume(var6 >= 1) VAL [dummy=0, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3] [L54] CALL assume(var6 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L54] RET assume(var6 <= 4) VAL [dummy=0, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3] [L55] int var7; [L56] var7 = __VERIFIER_nondet_int() [L57] CALL assume(var7 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L57] RET assume(var7 >= 1) VAL [dummy=0, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3, var7=2] [L58] CALL assume(var7 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L58] RET assume(var7 <= 4) VAL [dummy=0, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3, var7=2] [L59] int var8; [L60] var8 = __VERIFIER_nondet_int() [L61] CALL assume(var8 >= 1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L61] RET assume(var8 >= 1) VAL [dummy=0, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3, var7=2, var8=1] [L62] CALL assume(var8 <= 4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L62] RET assume(var8 <= 4) VAL [dummy=0, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3, var7=2, var8=1] [L63] int myvar0 = 1; VAL [dummy=0, myvar0=1, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3, var7=2, var8=1] [L64] CALL assume(var0 != var1) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L64] RET assume(var0 != var1) VAL [dummy=0, myvar0=1, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3, var7=2, var8=1] [L65] CALL assume(var0 != var2) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L65] RET assume(var0 != var2) VAL [dummy=0, myvar0=1, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3, var7=2, var8=1] [L66] CALL assume(var0 != var3) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L66] RET assume(var0 != var3) VAL [dummy=0, myvar0=1, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3, var7=2, var8=1] [L67] CALL assume(var0 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L67] RET assume(var0 != var4) VAL [dummy=0, myvar0=1, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3, var7=2, var8=1] [L68] CALL assume(var1 != var2) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L68] RET assume(var1 != var2) VAL [dummy=0, myvar0=1, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3, var7=2, var8=1] [L69] CALL assume(var1 != var3) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L69] RET assume(var1 != var3) VAL [dummy=0, myvar0=1, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3, var7=2, var8=1] [L70] CALL assume(var1 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L70] RET assume(var1 != var4) VAL [dummy=0, myvar0=1, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3, var7=2, var8=1] [L71] CALL assume(var2 != var3) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L71] RET assume(var2 != var3) VAL [dummy=0, myvar0=1, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3, var7=2, var8=1] [L72] CALL assume(var2 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L72] RET assume(var2 != var4) VAL [dummy=0, myvar0=1, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3, var7=2, var8=1] [L73] CALL assume(var3 != var4) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L73] RET assume(var3 != var4) VAL [dummy=0, myvar0=1, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3, var7=2, var8=1] [L74] CALL assume(var5 != var6) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L74] RET assume(var5 != var6) VAL [dummy=0, myvar0=1, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3, var7=2, var8=1] [L75] CALL assume(var5 != var7) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L75] RET assume(var5 != var7) VAL [dummy=0, myvar0=1, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3, var7=2, var8=1] [L76] CALL assume(var5 != var8) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L76] RET assume(var5 != var8) VAL [dummy=0, myvar0=1, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3, var7=2, var8=1] [L77] CALL assume(var6 != var7) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L77] RET assume(var6 != var7) VAL [dummy=0, myvar0=1, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3, var7=2, var8=1] [L78] CALL assume(var6 != var8) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L78] RET assume(var6 != var8) VAL [dummy=0, myvar0=1, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3, var7=2, var8=1] [L79] CALL assume(var7 != var8) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L79] RET assume(var7 != var8) VAL [dummy=0, myvar0=1, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3, var7=2, var8=1] [L80] int var_for_abs; [L81] var_for_abs = var0 - var1 [L82] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L82] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L83] CALL assume(var5 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L83] RET assume(var5 == var_for_abs) VAL [dummy=0, myvar0=1, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3, var7=2, var8=1, var_for_abs=4] [L84] var_for_abs = var1 - var2 [L85] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L85] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L86] CALL assume(var6 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L86] RET assume(var6 == var_for_abs) VAL [dummy=0, myvar0=1, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3, var7=2, var8=1, var_for_abs=3] [L87] var_for_abs = var2 - var3 [L88] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L88] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L89] CALL assume(var7 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L89] RET assume(var7 == var_for_abs) VAL [dummy=0, myvar0=1, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3, var7=2, var8=1, var_for_abs=2] [L90] var_for_abs = var3 - var4 [L91] EXPR (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L91] var_for_abs = (var_for_abs >= 0) ? var_for_abs : var_for_abs * (-1) [L92] CALL assume(var8 == var_for_abs) VAL [\old(cond)=1] [L20] COND FALSE !(!cond) [L92] RET assume(var8 == var_for_abs) VAL [dummy=0, myvar0=1, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3, var7=2, var8=1, var_for_abs=1] [L93] reach_error() VAL [dummy=0, myvar0=1, var0=0, var1=4, var2=1, var3=3, var4=2, var5=4, var6=3, var7=2, var8=1, var_for_abs=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.07ms. Allocated memory is still 107.0MB. Free memory was 67.0MB in the beginning and 78.3MB in the end (delta: -11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.20ms. Allocated memory is still 107.0MB. Free memory was 78.3MB in the beginning and 76.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.12ms. Allocated memory is still 107.0MB. Free memory was 76.6MB in the beginning and 75.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 533.48ms. Allocated memory is still 107.0MB. Free memory was 75.4MB in the beginning and 58.2MB in the end (delta: 17.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1574.83ms. Allocated memory was 107.0MB in the beginning and 161.5MB in the end (delta: 54.5MB). Free memory was 58.2MB in the beginning and 81.8MB in the end (delta: -23.6MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB. * Witness Printer took 147.07ms. Allocated memory is still 161.5MB. Free memory was 81.8MB in the beginning and 130.8MB in the end (delta: -49.0MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 17:02:21,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_541d6992-b420-4a04-a4e5-11869d450663/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE