./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label03.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_05a2c5aa-d0fd-4128-8009-605487f7e441/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a2c5aa-d0fd-4128-8009-605487f7e441/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_05a2c5aa-d0fd-4128-8009-605487f7e441/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a2c5aa-d0fd-4128-8009-605487f7e441/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a2c5aa-d0fd-4128-8009-605487f7e441/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_05a2c5aa-d0fd-4128-8009-605487f7e441/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 270b49fc6fbf3a6d565e1c23dc80c7cece24e766c52320c8c625102e15c9685f --- 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 16:54:12,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:54:12,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:54:12,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:54:12,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:54:12,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:54:12,614 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:54:12,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:54:12,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:54:12,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:54:12,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:54:12,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:54:12,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:54:12,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:54:12,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:54:12,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:54:12,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:54:12,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:54:12,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:54:12,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:54:12,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:54:12,666 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:54:12,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:54:12,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:54:12,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:54:12,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:54:12,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:54:12,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:54:12,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:54:12,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:54:12,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:54:12,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:54:12,695 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:54:12,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:54:12,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:54:12,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:54:12,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:54:12,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:54:12,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:54:12,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:54:12,702 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:54:12,703 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a2c5aa-d0fd-4128-8009-605487f7e441/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:54:12,739 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:54:12,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:54:12,740 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:54:12,741 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:54:12,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:54:12,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:54:12,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:54:12,742 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:54:12,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:54:12,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:54:12,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:54:12,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:54:12,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:54:12,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:54:12,744 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:54:12,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:54:12,744 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:54:12,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:54:12,745 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:54:12,745 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:54:12,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:54:12,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:12,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:54:12,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:54:12,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:54:12,747 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:54:12,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:54:12,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:54:12,747 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_05a2c5aa-d0fd-4128-8009-605487f7e441/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a2c5aa-d0fd-4128-8009-605487f7e441/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 270b49fc6fbf3a6d565e1c23dc80c7cece24e766c52320c8c625102e15c9685f [2022-10-17 16:54:13,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:54:13,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:54:13,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:54:13,077 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:54:13,079 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:54:13,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a2c5aa-d0fd-4128-8009-605487f7e441/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem03_label03.c [2022-10-17 16:54:13,156 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a2c5aa-d0fd-4128-8009-605487f7e441/bin/ukojak-92XMlrwhuB/data/ae7249e30/e1caab233c5043e58a645df1746cf3c8/FLAG817b3480e [2022-10-17 16:54:13,893 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:54:13,893 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a2c5aa-d0fd-4128-8009-605487f7e441/sv-benchmarks/c/eca-rers2012/Problem03_label03.c [2022-10-17 16:54:13,915 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a2c5aa-d0fd-4128-8009-605487f7e441/bin/ukojak-92XMlrwhuB/data/ae7249e30/e1caab233c5043e58a645df1746cf3c8/FLAG817b3480e [2022-10-17 16:54:13,999 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a2c5aa-d0fd-4128-8009-605487f7e441/bin/ukojak-92XMlrwhuB/data/ae7249e30/e1caab233c5043e58a645df1746cf3c8 [2022-10-17 16:54:14,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:54:14,003 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:54:14,004 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:14,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:54:14,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:54:14,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:14" (1/1) ... [2022-10-17 16:54:14,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bd474bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:14, skipping insertion in model container [2022-10-17 16:54:14,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:54:14" (1/1) ... [2022-10-17 16:54:14,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:54:14,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:54:14,833 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_05a2c5aa-d0fd-4128-8009-605487f7e441/sv-benchmarks/c/eca-rers2012/Problem03_label03.c[56355,56368] [2022-10-17 16:54:14,883 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:14,894 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:54:15,216 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_05a2c5aa-d0fd-4128-8009-605487f7e441/sv-benchmarks/c/eca-rers2012/Problem03_label03.c[56355,56368] [2022-10-17 16:54:15,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:54:15,310 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:54:15,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:15 WrapperNode [2022-10-17 16:54:15,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:54:15,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:15,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:54:15,330 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:54:15,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:15" (1/1) ... [2022-10-17 16:54:15,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:15" (1/1) ... [2022-10-17 16:54:15,500 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2022-10-17 16:54:15,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:54:15,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:54:15,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:54:15,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:54:15,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:15" (1/1) ... [2022-10-17 16:54:15,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:15" (1/1) ... [2022-10-17 16:54:15,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:15" (1/1) ... [2022-10-17 16:54:15,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:15" (1/1) ... [2022-10-17 16:54:15,571 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:15" (1/1) ... [2022-10-17 16:54:15,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:15" (1/1) ... [2022-10-17 16:54:15,605 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:15" (1/1) ... [2022-10-17 16:54:15,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:15" (1/1) ... [2022-10-17 16:54:15,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:54:15,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:54:15,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:54:15,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:54:15,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:54:15" (1/1) ... [2022-10-17 16:54:15,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:54:15,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a2c5aa-d0fd-4128-8009-605487f7e441/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:54:15,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a2c5aa-d0fd-4128-8009-605487f7e441/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:54:15,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05a2c5aa-d0fd-4128-8009-605487f7e441/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:54:15,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:54:15,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:54:15,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:54:15,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:54:15,912 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:54:15,930 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:54:18,178 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:54:18,619 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:54:18,620 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:54:18,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:18 BoogieIcfgContainer [2022-10-17 16:54:18,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:54:18,625 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:54:18,625 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:54:18,638 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:54:18,638 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:54:18" (1/1) ... [2022-10-17 16:54:18,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:54:18,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:18,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 148 states and 288 transitions. [2022-10-17 16:54:18,721 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 288 transitions. [2022-10-17 16:54:18,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-10-17 16:54:18,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:18,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:19,723 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 16:54:20,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:20,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 289 states and 448 transitions. [2022-10-17 16:54:20,965 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 448 transitions. [2022-10-17 16:54:20,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-17 16:54:20,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:20,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:21,604 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:23,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:23,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 437 states and 712 transitions. [2022-10-17 16:54:23,359 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 712 transitions. [2022-10-17 16:54:23,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-10-17 16:54:23,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:23,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:23,566 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:23,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:23,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 444 states and 721 transitions. [2022-10-17 16:54:23,752 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 721 transitions. [2022-10-17 16:54:23,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-17 16:54:23,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:23,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:24,392 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:25,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:25,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 454 states and 744 transitions. [2022-10-17 16:54:25,005 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 744 transitions. [2022-10-17 16:54:25,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-10-17 16:54:25,009 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:25,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:25,308 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:25,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:25,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 465 states and 761 transitions. [2022-10-17 16:54:25,764 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 761 transitions. [2022-10-17 16:54:25,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-10-17 16:54:25,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:25,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:26,001 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:54:26,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:26,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 466 states and 762 transitions. [2022-10-17 16:54:26,176 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 762 transitions. [2022-10-17 16:54:26,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-10-17 16:54:26,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:26,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:26,492 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:54:28,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:28,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 608 states and 930 transitions. [2022-10-17 16:54:28,319 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 930 transitions. [2022-10-17 16:54:28,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-10-17 16:54:28,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:28,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:28,588 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:54:29,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:29,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 620 states and 949 transitions. [2022-10-17 16:54:29,173 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 949 transitions. [2022-10-17 16:54:29,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-10-17 16:54:29,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:29,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:29,534 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:54:29,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:29,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 626 states and 955 transitions. [2022-10-17 16:54:29,727 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 955 transitions. [2022-10-17 16:54:29,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-10-17 16:54:29,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:29,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:30,110 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:54:31,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:31,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 639 states and 976 transitions. [2022-10-17 16:54:31,029 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 976 transitions. [2022-10-17 16:54:31,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-10-17 16:54:31,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:31,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:31,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:31,358 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:54:31,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:31,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 649 states and 987 transitions. [2022-10-17 16:54:31,764 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 987 transitions. [2022-10-17 16:54:31,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-10-17 16:54:31,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:31,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:31,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:32,035 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:54:32,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:32,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 654 states and 1004 transitions. [2022-10-17 16:54:32,641 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 1004 transitions. [2022-10-17 16:54:32,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-10-17 16:54:32,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:32,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:33,112 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:34,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:34,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 681 states and 1042 transitions. [2022-10-17 16:54:34,154 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 1042 transitions. [2022-10-17 16:54:34,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-10-17 16:54:34,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:34,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:34,637 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:36,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:36,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 710 states and 1083 transitions. [2022-10-17 16:54:36,191 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 1083 transitions. [2022-10-17 16:54:36,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-10-17 16:54:36,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:36,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:36,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:36,662 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:54:37,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:37,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 723 states and 1101 transitions. [2022-10-17 16:54:37,408 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1101 transitions. [2022-10-17 16:54:37,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-10-17 16:54:37,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:37,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:37,630 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:54:38,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:38,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 737 states and 1184 transitions. [2022-10-17 16:54:38,423 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1184 transitions. [2022-10-17 16:54:38,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-10-17 16:54:38,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:38,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:38,921 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:54:40,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:54:40,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 770 states and 1236 transitions. [2022-10-17 16:54:40,708 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1236 transitions. [2022-10-17 16:54:40,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-10-17 16:54:40,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:54:40,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:54:40,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:54:41,273 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.