./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label12.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a233a7c5-2d45-4861-9b3b-37077b20d6df/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a233a7c5-2d45-4861-9b3b-37077b20d6df/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a233a7c5-2d45-4861-9b3b-37077b20d6df/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a233a7c5-2d45-4861-9b3b-37077b20d6df/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a233a7c5-2d45-4861-9b3b-37077b20d6df/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a233a7c5-2d45-4861-9b3b-37077b20d6df/bin/ukojak-rkRKPMF4O4 --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 ffbcc3b4e73f8ad55a0649493c69e3be3f48518c4d71790476a2cf0516dec892 --- 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-2329fc7 [2022-12-14 21:29:25,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:29:25,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:29:25,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:29:25,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:29:25,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:29:25,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:29:25,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:29:25,636 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:29:25,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:29:25,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:29:25,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:29:25,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:29:25,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:29:25,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:29:25,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:29:25,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:29:25,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:29:25,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:29:25,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:29:25,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:29:25,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:29:25,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:29:25,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:29:25,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:29:25,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:29:25,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:29:25,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:29:25,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:29:25,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:29:25,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:29:25,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:29:25,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:29:25,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:29:25,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:29:25,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:29:25,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:29:25,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:29:25,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:29:25,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:29:25,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:29:25,657 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a233a7c5-2d45-4861-9b3b-37077b20d6df/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 21:29:25,670 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:29:25,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:29:25,671 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 21:29:25,671 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 21:29:25,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:29:25,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:29:25,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:29:25,672 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 21:29:25,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:29:25,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 21:29:25,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:29:25,673 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 21:29:25,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:29:25,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 21:29:25,673 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 21:29:25,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 21:29:25,673 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:29:25,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 21:29:25,674 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:29:25,674 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:29:25,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:29:25,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:29:25,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:29:25,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:29:25,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 21:29:25,675 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:29:25,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:29:25,675 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 21:29:25,675 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_a233a7c5-2d45-4861-9b3b-37077b20d6df/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a233a7c5-2d45-4861-9b3b-37077b20d6df/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffbcc3b4e73f8ad55a0649493c69e3be3f48518c4d71790476a2cf0516dec892 [2022-12-14 21:29:25,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:29:25,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:29:25,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:29:25,875 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:29:25,876 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:29:25,877 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a233a7c5-2d45-4861-9b3b-37077b20d6df/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem11_label12.c [2022-12-14 21:29:28,443 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:29:28,656 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:29:28,656 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a233a7c5-2d45-4861-9b3b-37077b20d6df/sv-benchmarks/c/eca-rers2012/Problem11_label12.c [2022-12-14 21:29:28,666 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a233a7c5-2d45-4861-9b3b-37077b20d6df/bin/ukojak-rkRKPMF4O4/data/ef5b30d3e/4dc48ba23ae144fabfe94a485f9c31cf/FLAGe4fbc8432 [2022-12-14 21:29:29,001 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a233a7c5-2d45-4861-9b3b-37077b20d6df/bin/ukojak-rkRKPMF4O4/data/ef5b30d3e/4dc48ba23ae144fabfe94a485f9c31cf [2022-12-14 21:29:29,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:29:29,006 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:29:29,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:29:29,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:29:29,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:29:29,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:29:29" (1/1) ... [2022-12-14 21:29:29,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19d7c94c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:29:29, skipping insertion in model container [2022-12-14 21:29:29,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:29:29" (1/1) ... [2022-12-14 21:29:29,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:29:29,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:29:29,213 WARN L237 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_a233a7c5-2d45-4861-9b3b-37077b20d6df/sv-benchmarks/c/eca-rers2012/Problem11_label12.c[3684,3697] [2022-12-14 21:29:29,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:29:29,440 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:29:29,458 WARN L237 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_a233a7c5-2d45-4861-9b3b-37077b20d6df/sv-benchmarks/c/eca-rers2012/Problem11_label12.c[3684,3697] [2022-12-14 21:29:29,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:29:29,572 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:29:29,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:29:29 WrapperNode [2022-12-14 21:29:29,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:29:29,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:29:29,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:29:29,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:29:29,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:29:29" (1/1) ... [2022-12-14 21:29:29,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:29:29" (1/1) ... [2022-12-14 21:29:29,689 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-12-14 21:29:29,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:29:29,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:29:29,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:29:29,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:29:29,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:29:29" (1/1) ... [2022-12-14 21:29:29,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:29:29" (1/1) ... [2022-12-14 21:29:29,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:29:29" (1/1) ... [2022-12-14 21:29:29,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:29:29" (1/1) ... [2022-12-14 21:29:29,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:29:29" (1/1) ... [2022-12-14 21:29:29,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:29:29" (1/1) ... [2022-12-14 21:29:29,754 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:29:29" (1/1) ... [2022-12-14 21:29:29,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:29:29" (1/1) ... [2022-12-14 21:29:29,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:29:29,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:29:29,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:29:29,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:29:29,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:29:29" (1/1) ... [2022-12-14 21:29:29,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:29:29,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a233a7c5-2d45-4861-9b3b-37077b20d6df/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:29:29,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a233a7c5-2d45-4861-9b3b-37077b20d6df/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:29:29,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a233a7c5-2d45-4861-9b3b-37077b20d6df/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:29:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 21:29:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 21:29:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:29:29,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:29:29,878 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:29:29,880 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:29:31,028 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:29:35,007 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:29:35,008 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 21:29:35,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:29:35 BoogieIcfgContainer [2022-12-14 21:29:35,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:29:35,010 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:29:35,010 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:29:35,017 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:29:35,017 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:29:35" (1/1) ... [2022-12-14 21:29:35,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:29:35,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:29:35,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-14 21:29:35,059 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-14 21:29:35,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 21:29:35,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:29:35,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:29:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:29:35,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:29:35,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:29:35,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-14 21:29:35,314 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-14 21:29:35,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 21:29:35,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:29:35,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:29:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:30:02,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:30:12,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 21:30:13,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:30:13,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2022-12-14 21:30:13,043 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2022-12-14 21:30:13,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 21:30:13,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:30:13,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:30:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:31:22,523 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:31:23,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:31:23,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2022-12-14 21:31:23,616 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2022-12-14 21:31:23,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 21:31:23,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:31:23,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:31:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:32:33,053 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:32:33,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:32:33,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2022-12-14 21:32:33,305 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2022-12-14 21:32:33,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 21:32:33,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:32:33,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:32:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:35:20,430 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:35:24,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:35:24,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 44 states and 90 transitions. [2022-12-14 21:35:24,215 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 90 transitions. [2022-12-14 21:35:24,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 21:35:24,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:35:24,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:35:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:38:09,366 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:38:10,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:38:10,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 50 states and 102 transitions. [2022-12-14 21:38:10,481 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 102 transitions. [2022-12-14 21:38:10,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 21:38:10,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:38:10,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:38:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:40:53,573 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:40:54,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:40:54,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 53 states and 107 transitions. [2022-12-14 21:40:54,141 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 107 transitions. [2022-12-14 21:40:54,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 21:40:54,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:40:54,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:40:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:41:47,866 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 21:41:48,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:41:48,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 57 states and 117 transitions. [2022-12-14 21:41:48,702 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 117 transitions. [2022-12-14 21:41:48,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 21:41:48,703 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:41:48,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:41:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:42:42,117 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 21:42:42,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:42:42,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 60 states and 120 transitions. [2022-12-14 21:42:42,456 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 120 transitions. [2022-12-14 21:42:42,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 21:42:42,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:42:42,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:42:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:43:35,891 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 21:43:36,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:43:36,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 123 transitions. [2022-12-14 21:43:36,325 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 123 transitions. [2022-12-14 21:43:36,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 21:43:36,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:43:36,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:43:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat