./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ec1248-8e7a-4c44-af25-0f0378ffb24e/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ec1248-8e7a-4c44-af25-0f0378ffb24e/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_b7ec1248-8e7a-4c44-af25-0f0378ffb24e/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ec1248-8e7a-4c44-af25-0f0378ffb24e/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ec1248-8e7a-4c44-af25-0f0378ffb24e/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_b7ec1248-8e7a-4c44-af25-0f0378ffb24e/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 6327d27f7abe073a313b5cd298156d916d823d684efcd0c205043cb09610f085 --- 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 17:54:44,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 17:54:44,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 17:54:44,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 17:54:44,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 17:54:44,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 17:54:44,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 17:54:44,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 17:54:44,076 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 17:54:44,077 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 17:54:44,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 17:54:44,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 17:54:44,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 17:54:44,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 17:54:44,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 17:54:44,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 17:54:44,083 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 17:54:44,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 17:54:44,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 17:54:44,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 17:54:44,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 17:54:44,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 17:54:44,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 17:54:44,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 17:54:44,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 17:54:44,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 17:54:44,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 17:54:44,096 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 17:54:44,096 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 17:54:44,097 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 17:54:44,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 17:54:44,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 17:54:44,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 17:54:44,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 17:54:44,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 17:54:44,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 17:54:44,101 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 17:54:44,101 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 17:54:44,102 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 17:54:44,102 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 17:54:44,103 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 17:54:44,104 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ec1248-8e7a-4c44-af25-0f0378ffb24e/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 17:54:44,123 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 17:54:44,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 17:54:44,124 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 17:54:44,124 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 17:54:44,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 17:54:44,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 17:54:44,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 17:54:44,130 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 17:54:44,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 17:54:44,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 17:54:44,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 17:54:44,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 17:54:44,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 17:54:44,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 17:54:44,131 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 17:54:44,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 17:54:44,131 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 17:54:44,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 17:54:44,132 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 17:54:44,132 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 17:54:44,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 17:54:44,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 17:54:44,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 17:54:44,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 17:54:44,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 17:54:44,133 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 17:54:44,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 17:54:44,133 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 17:54:44,134 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_b7ec1248-8e7a-4c44-af25-0f0378ffb24e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ec1248-8e7a-4c44-af25-0f0378ffb24e/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6327d27f7abe073a313b5cd298156d916d823d684efcd0c205043cb09610f085 [2022-12-14 17:54:44,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 17:54:44,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 17:54:44,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 17:54:44,361 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 17:54:44,361 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 17:54:44,363 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ec1248-8e7a-4c44-af25-0f0378ffb24e/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.pals.c [2022-12-14 17:54:47,058 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 17:54:47,231 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 17:54:47,232 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ec1248-8e7a-4c44-af25-0f0378ffb24e/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.pals.c [2022-12-14 17:54:47,243 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ec1248-8e7a-4c44-af25-0f0378ffb24e/bin/ukojak-rkRKPMF4O4/data/285e66f91/ec6d5e07a9c04e5ca5b5f569dd1df9e9/FLAGe8d16353e [2022-12-14 17:54:47,254 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ec1248-8e7a-4c44-af25-0f0378ffb24e/bin/ukojak-rkRKPMF4O4/data/285e66f91/ec6d5e07a9c04e5ca5b5f569dd1df9e9 [2022-12-14 17:54:47,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 17:54:47,257 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 17:54:47,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 17:54:47,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 17:54:47,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 17:54:47,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:54:47" (1/1) ... [2022-12-14 17:54:47,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc7d5f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:47, skipping insertion in model container [2022-12-14 17:54:47,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:54:47" (1/1) ... [2022-12-14 17:54:47,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 17:54:47,303 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 17:54:47,474 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_b7ec1248-8e7a-4c44-af25-0f0378ffb24e/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.pals.c[26453,26466] [2022-12-14 17:54:47,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 17:54:47,486 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 17:54:47,530 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_b7ec1248-8e7a-4c44-af25-0f0378ffb24e/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.pals.c[26453,26466] [2022-12-14 17:54:47,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 17:54:47,543 INFO L208 MainTranslator]: Completed translation [2022-12-14 17:54:47,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:47 WrapperNode [2022-12-14 17:54:47,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 17:54:47,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 17:54:47,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 17:54:47,544 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 17:54:47,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:47" (1/1) ... [2022-12-14 17:54:47,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:47" (1/1) ... [2022-12-14 17:54:47,581 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 492 [2022-12-14 17:54:47,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 17:54:47,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 17:54:47,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 17:54:47,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 17:54:47,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:47" (1/1) ... [2022-12-14 17:54:47,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:47" (1/1) ... [2022-12-14 17:54:47,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:47" (1/1) ... [2022-12-14 17:54:47,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:47" (1/1) ... [2022-12-14 17:54:47,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:47" (1/1) ... [2022-12-14 17:54:47,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:47" (1/1) ... [2022-12-14 17:54:47,603 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:47" (1/1) ... [2022-12-14 17:54:47,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:47" (1/1) ... [2022-12-14 17:54:47,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 17:54:47,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 17:54:47,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 17:54:47,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 17:54:47,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:54:47" (1/1) ... [2022-12-14 17:54:47,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 17:54:47,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ec1248-8e7a-4c44-af25-0f0378ffb24e/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 17:54:47,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ec1248-8e7a-4c44-af25-0f0378ffb24e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 17:54:47,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7ec1248-8e7a-4c44-af25-0f0378ffb24e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 17:54:47,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 17:54:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 17:54:47,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 17:54:47,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 17:54:47,769 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 17:54:47,770 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 17:54:48,156 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 17:54:48,699 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 17:54:48,699 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 17:54:48,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:54:48 BoogieIcfgContainer [2022-12-14 17:54:48,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 17:54:48,702 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 17:54:48,702 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 17:54:48,708 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 17:54:48,709 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:54:48" (1/1) ... [2022-12-14 17:54:48,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 17:54:48,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:48,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-12-14 17:54:48,760 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-12-14 17:54:48,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 17:54:48,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:48,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:50,562 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 17:54:50,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:50,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2022-12-14 17:54:50,675 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2022-12-14 17:54:50,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 17:54:50,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:50,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:50,950 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 17:54:51,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:51,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2022-12-14 17:54:51,294 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2022-12-14 17:54:51,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 17:54:51,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:51,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:51,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:52,395 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 17:54:52,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:52,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2022-12-14 17:54:52,909 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2022-12-14 17:54:52,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 17:54:52,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:52,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:54:53,984 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 17:54:54,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:54:54,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2022-12-14 17:54:54,169 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2022-12-14 17:54:54,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 17:54:54,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:54:54,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:54:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:00,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:07,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:07,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 34 states and 58 transitions. [2022-12-14 17:55:07,375 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 58 transitions. [2022-12-14 17:55:07,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 17:55:07,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:07,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:07,915 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:15,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:15,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 45 states and 82 transitions. [2022-12-14 17:55:15,119 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 82 transitions. [2022-12-14 17:55:15,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 17:55:15,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:15,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:22,997 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:32,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:32,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 56 states and 105 transitions. [2022-12-14 17:55:32,308 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 105 transitions. [2022-12-14 17:55:32,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 17:55:32,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:32,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:35,052 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:49,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:49,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 73 states and 154 transitions. [2022-12-14 17:55:49,070 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 154 transitions. [2022-12-14 17:55:49,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 17:55:49,071 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:49,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:51,822 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:56:07,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:56:07,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 89 states and 196 transitions. [2022-12-14 17:56:07,506 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 196 transitions. [2022-12-14 17:56:07,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 17:56:07,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:56:07,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:56:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:56:08,734 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:56:14,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:56:14,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 97 states and 221 transitions. [2022-12-14 17:56:14,146 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 221 transitions. [2022-12-14 17:56:14,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 17:56:14,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:56:14,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:56:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:56:14,628 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:56:20,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:56:20,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 105 states and 243 transitions. [2022-12-14 17:56:20,040 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 243 transitions. [2022-12-14 17:56:20,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 17:56:20,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:56:20,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:56:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:56:23,309 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:56:35,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:56:35,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 115 states and 272 transitions. [2022-12-14 17:56:35,286 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 272 transitions. [2022-12-14 17:56:35,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 17:56:35,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:56:35,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:56:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:56:38,480 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:56:45,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:56:45,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 123 states and 295 transitions. [2022-12-14 17:56:45,292 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 295 transitions. [2022-12-14 17:56:45,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 17:56:45,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:56:45,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:56:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:57:41,694 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:59:34,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:59:34,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 148 states and 379 transitions. [2022-12-14 17:59:34,534 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 379 transitions. [2022-12-14 17:59:34,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 17:59:34,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:59:34,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:59:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:00:37,599 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:00:54,615 WARN L233 SmtUtils]: Spent 5.67s on a formula simplification. DAG size of input: 594 DAG size of output: 404 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 18:01:03,288 WARN L233 SmtUtils]: Spent 5.44s on a formula simplification. DAG size of input: 596 DAG size of output: 435 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 18:01:17,217 WARN L233 SmtUtils]: Spent 5.99s on a formula simplification. DAG size of input: 596 DAG size of output: 406 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 18:01:23,286 WARN L233 SmtUtils]: Spent 5.31s on a formula simplification. DAG size of input: 598 DAG size of output: 437 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 18:01:36,836 WARN L233 SmtUtils]: Spent 6.05s on a formula simplification. DAG size of input: 597 DAG size of output: 407 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 18:01:43,029 WARN L233 SmtUtils]: Spent 5.40s on a formula simplification. DAG size of input: 599 DAG size of output: 438 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 18:03:39,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:03:39,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 173 states and 471 transitions. [2022-12-14 18:03:39,166 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 471 transitions. [2022-12-14 18:03:39,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 18:03:39,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:03:39,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:03:39,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:04:36,110 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 18:05:02,374 WARN L233 SmtUtils]: Spent 6.71s on a formula simplification. DAG size of input: 560 DAG size of output: 418 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 18:05:21,795 WARN L233 SmtUtils]: Spent 6.37s on a formula simplification. DAG size of input: 562 DAG size of output: 420 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 18:05:41,107 WARN L233 SmtUtils]: Spent 6.22s on a formula simplification. DAG size of input: 563 DAG size of output: 421 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 18:08:22,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 18:08:22,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 198 states and 570 transitions. [2022-12-14 18:08:22,328 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 570 transitions. [2022-12-14 18:08:22,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 18:08:22,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 18:08:22,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 18:08:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 18:09:25,340 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.