./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.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_3cb1c7b3-8963-4c21-b278-cf717b75ada3/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb1c7b3-8963-4c21-b278-cf717b75ada3/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_3cb1c7b3-8963-4c21-b278-cf717b75ada3/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb1c7b3-8963-4c21-b278-cf717b75ada3/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb1c7b3-8963-4c21-b278-cf717b75ada3/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_3cb1c7b3-8963-4c21-b278-cf717b75ada3/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 2e89791a2e8bde62b11f5e3f45edc8f6b1d8831a0e105552a6da22a3ff44c454 --- 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 23:37:11,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 23:37:11,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 23:37:11,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 23:37:11,140 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 23:37:11,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 23:37:11,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 23:37:11,144 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 23:37:11,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 23:37:11,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 23:37:11,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 23:37:11,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 23:37:11,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 23:37:11,156 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 23:37:11,157 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 23:37:11,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 23:37:11,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 23:37:11,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 23:37:11,162 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 23:37:11,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 23:37:11,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 23:37:11,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 23:37:11,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 23:37:11,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 23:37:11,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 23:37:11,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 23:37:11,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 23:37:11,176 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 23:37:11,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 23:37:11,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 23:37:11,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 23:37:11,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 23:37:11,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 23:37:11,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 23:37:11,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 23:37:11,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 23:37:11,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 23:37:11,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 23:37:11,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 23:37:11,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 23:37:11,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 23:37:11,183 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb1c7b3-8963-4c21-b278-cf717b75ada3/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 23:37:11,203 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 23:37:11,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 23:37:11,204 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 23:37:11,204 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 23:37:11,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 23:37:11,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 23:37:11,205 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 23:37:11,205 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 23:37:11,205 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 23:37:11,205 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 23:37:11,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 23:37:11,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 23:37:11,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 23:37:11,206 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 23:37:11,206 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 23:37:11,206 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 23:37:11,206 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 23:37:11,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 23:37:11,207 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 23:37:11,207 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 23:37:11,207 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 23:37:11,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:37:11,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 23:37:11,208 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 23:37:11,208 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 23:37:11,208 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 23:37:11,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 23:37:11,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 23:37:11,208 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_3cb1c7b3-8963-4c21-b278-cf717b75ada3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb1c7b3-8963-4c21-b278-cf717b75ada3/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e89791a2e8bde62b11f5e3f45edc8f6b1d8831a0e105552a6da22a3ff44c454 [2022-12-14 23:37:11,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 23:37:11,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 23:37:11,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 23:37:11,406 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 23:37:11,406 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 23:37:11,407 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb1c7b3-8963-4c21-b278-cf717b75ada3/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c [2022-12-14 23:37:14,069 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 23:37:14,213 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 23:37:14,213 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb1c7b3-8963-4c21-b278-cf717b75ada3/sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c [2022-12-14 23:37:14,220 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb1c7b3-8963-4c21-b278-cf717b75ada3/bin/ukojak-rkRKPMF4O4/data/ebea9ddae/feffb550cb7f4f2d82e13dfd281289c4/FLAGd8a6cad43 [2022-12-14 23:37:14,233 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb1c7b3-8963-4c21-b278-cf717b75ada3/bin/ukojak-rkRKPMF4O4/data/ebea9ddae/feffb550cb7f4f2d82e13dfd281289c4 [2022-12-14 23:37:14,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 23:37:14,237 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 23:37:14,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 23:37:14,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 23:37:14,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 23:37:14,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:37:14" (1/1) ... [2022-12-14 23:37:14,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c21a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:14, skipping insertion in model container [2022-12-14 23:37:14,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 11:37:14" (1/1) ... [2022-12-14 23:37:14,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 23:37:14,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 23:37:14,458 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_3cb1c7b3-8963-4c21-b278-cf717b75ada3/sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c[15177,15190] [2022-12-14 23:37:14,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:37:14,472 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 23:37:14,520 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_3cb1c7b3-8963-4c21-b278-cf717b75ada3/sv-benchmarks/c/seq-mthreaded/pals_lcr.6_overflow.ufo.UNBOUNDED.pals.c[15177,15190] [2022-12-14 23:37:14,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 23:37:14,533 INFO L208 MainTranslator]: Completed translation [2022-12-14 23:37:14,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:14 WrapperNode [2022-12-14 23:37:14,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 23:37:14,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 23:37:14,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 23:37:14,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 23:37:14,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:14" (1/1) ... [2022-12-14 23:37:14,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:14" (1/1) ... [2022-12-14 23:37:14,580 INFO L138 Inliner]: procedures = 26, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 364 [2022-12-14 23:37:14,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 23:37:14,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 23:37:14,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 23:37:14,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 23:37:14,598 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:14" (1/1) ... [2022-12-14 23:37:14,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:14" (1/1) ... [2022-12-14 23:37:14,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:14" (1/1) ... [2022-12-14 23:37:14,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:14" (1/1) ... [2022-12-14 23:37:14,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:14" (1/1) ... [2022-12-14 23:37:14,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:14" (1/1) ... [2022-12-14 23:37:14,616 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:14" (1/1) ... [2022-12-14 23:37:14,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:14" (1/1) ... [2022-12-14 23:37:14,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 23:37:14,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 23:37:14,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 23:37:14,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 23:37:14,624 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 11:37:14" (1/1) ... [2022-12-14 23:37:14,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 23:37:14,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb1c7b3-8963-4c21-b278-cf717b75ada3/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 23:37:14,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb1c7b3-8963-4c21-b278-cf717b75ada3/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 23:37:14,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cb1c7b3-8963-4c21-b278-cf717b75ada3/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 23:37:14,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 23:37:14,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 23:37:14,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 23:37:14,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 23:37:14,757 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 23:37:14,758 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 23:37:15,124 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 23:37:15,548 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 23:37:15,548 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 23:37:15,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:37:15 BoogieIcfgContainer [2022-12-14 23:37:15,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 23:37:15,551 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 23:37:15,551 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 23:37:15,558 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 23:37:15,558 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 11:37:15" (1/1) ... [2022-12-14 23:37:15,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 23:37:15,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:37:15,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-12-14 23:37:15,611 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-12-14 23:37:15,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-14 23:37:15,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:37:15,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:37:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:37:16,950 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 23:37:17,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:37:17,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-12-14 23:37:17,060 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-12-14 23:37:17,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 23:37:17,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:37:17,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:37:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:37:17,403 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 23:37:17,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:37:17,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2022-12-14 23:37:17,746 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2022-12-14 23:37:17,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 23:37:17,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:37:17,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:37:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:37:18,613 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 23:37:19,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:37:19,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2022-12-14 23:37:19,109 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2022-12-14 23:37:19,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 23:37:19,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:37:19,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:37:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:37:19,334 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 23:37:19,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:37:19,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 37 transitions. [2022-12-14 23:37:19,558 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 37 transitions. [2022-12-14 23:37:19,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 23:37:19,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:37:19,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:37:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:37:23,549 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 23:37:27,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:37:27,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2022-12-14 23:37:27,590 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2022-12-14 23:37:27,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:37:27,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:37:27,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:37:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:37:27,991 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 23:37:31,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:37:31,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2022-12-14 23:37:31,104 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2022-12-14 23:37:31,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:37:31,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:37:31,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:37:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:37:36,733 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 23:37:42,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:37:42,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 54 states and 99 transitions. [2022-12-14 23:37:42,808 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 99 transitions. [2022-12-14 23:37:42,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 23:37:42,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:37:42,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:37:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:37:43,088 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 23:37:43,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:37:43,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 55 states and 102 transitions. [2022-12-14 23:37:43,341 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 102 transitions. [2022-12-14 23:37:43,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-14 23:37:43,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:37:43,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:37:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:37:44,993 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 23:37:52,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:37:52,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 72 states and 145 transitions. [2022-12-14 23:37:52,407 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 145 transitions. [2022-12-14 23:37:52,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:37:52,408 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:37:52,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:37:52,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:37:54,135 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:38:01,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:38:01,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 84 states and 174 transitions. [2022-12-14 23:38:01,562 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 174 transitions. [2022-12-14 23:38:01,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:38:01,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:38:01,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:38:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:38:03,344 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:38:12,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:38:12,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 95 states and 205 transitions. [2022-12-14 23:38:12,002 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 205 transitions. [2022-12-14 23:38:12,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:38:12,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:38:12,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:38:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:38:12,582 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:38:15,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:38:15,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 101 states and 216 transitions. [2022-12-14 23:38:15,885 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 216 transitions. [2022-12-14 23:38:15,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:38:15,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:38:15,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:38:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:38:17,936 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 23:38:26,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:38:26,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 113 states and 243 transitions. [2022-12-14 23:38:26,657 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 243 transitions. [2022-12-14 23:38:26,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:38:26,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:38:26,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:38:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:38:29,050 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 23:38:35,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:38:35,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 122 states and 265 transitions. [2022-12-14 23:38:35,382 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 265 transitions. [2022-12-14 23:38:35,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:38:35,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:38:35,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:38:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:38:35,797 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:38:36,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:38:36,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 123 states and 268 transitions. [2022-12-14 23:38:36,684 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 268 transitions. [2022-12-14 23:38:36,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 23:38:36,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:38:36,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:38:36,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:38:37,080 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:38:37,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:38:37,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 124 states and 271 transitions. [2022-12-14 23:38:37,826 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 271 transitions. [2022-12-14 23:38:37,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 23:38:37,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:38:37,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:38:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:38:37,977 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 23:38:38,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:38:38,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 124 states and 270 transitions. [2022-12-14 23:38:38,632 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 270 transitions. [2022-12-14 23:38:38,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 23:38:38,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:38:38,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:38:38,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:45:58,837 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 23:47:06,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:06,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 149 states and 330 transitions. [2022-12-14 23:47:06,382 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 330 transitions. [2022-12-14 23:47:06,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 23:47:06,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:06,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:47:07,701 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 23:47:16,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 23:47:16,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 157 states and 362 transitions. [2022-12-14 23:47:16,690 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 362 transitions. [2022-12-14 23:47:16,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-14 23:47:16,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 23:47:16,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 23:47:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 23:50:04,650 WARN L233 SmtUtils]: Spent 5.14s on a formula simplification. DAG size of input: 593 DAG size of output: 579 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)