./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7_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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4782a901-005b-4091-be77-32501f7098c5/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4782a901-005b-4091-be77-32501f7098c5/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_4782a901-005b-4091-be77-32501f7098c5/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4782a901-005b-4091-be77-32501f7098c5/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4782a901-005b-4091-be77-32501f7098c5/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_4782a901-005b-4091-be77-32501f7098c5/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 de654b8e722eb26a01715e643a442ee96e677f28cab0e875133e4d1d7edb214d --- 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 [2022-12-15 00:15:20,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:15:20,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:15:20,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:15:20,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:15:20,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:15:20,583 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:15:20,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:15:20,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:15:20,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:15:20,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:15:20,589 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:15:20,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:15:20,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:15:20,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:15:20,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:15:20,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:15:20,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:15:20,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:15:20,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:15:20,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:15:20,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:15:20,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:15:20,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:15:20,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:15:20,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:15:20,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:15:20,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:15:20,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:15:20,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:15:20,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:15:20,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:15:20,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:15:20,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:15:20,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:15:20,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:15:20,614 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:15:20,614 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:15:20,615 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:15:20,615 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:15:20,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:15:20,617 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4782a901-005b-4091-be77-32501f7098c5/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 00:15:20,637 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:15:20,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:15:20,638 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:15:20,638 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:15:20,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:15:20,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:15:20,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:15:20,640 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:15:20,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:15:20,640 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:15:20,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:15:20,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:15:20,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:15:20,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:15:20,641 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:15:20,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:15:20,641 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:15:20,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:15:20,642 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:15:20,642 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:15:20,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:15:20,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:15:20,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:15:20,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:15:20,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:15:20,643 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:15:20,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:15:20,643 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:15:20,644 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_4782a901-005b-4091-be77-32501f7098c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4782a901-005b-4091-be77-32501f7098c5/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de654b8e722eb26a01715e643a442ee96e677f28cab0e875133e4d1d7edb214d [2022-12-15 00:15:20,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:15:20,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:15:20,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:15:20,850 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:15:20,850 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:15:20,852 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4782a901-005b-4091-be77-32501f7098c5/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c [2022-12-15 00:15:23,526 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:15:23,747 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:15:23,747 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4782a901-005b-4091-be77-32501f7098c5/sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c [2022-12-15 00:15:23,756 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4782a901-005b-4091-be77-32501f7098c5/bin/ukojak-rkRKPMF4O4/data/7a9eb9e31/def49f01dd6544af8d8a072235868248/FLAG973f1a813 [2022-12-15 00:15:23,769 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4782a901-005b-4091-be77-32501f7098c5/bin/ukojak-rkRKPMF4O4/data/7a9eb9e31/def49f01dd6544af8d8a072235868248 [2022-12-15 00:15:23,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:15:23,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:15:23,774 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:15:23,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:15:23,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:15:23,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:15:23" (1/1) ... [2022-12-15 00:15:23,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e2f8a81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:15:23, skipping insertion in model container [2022-12-15 00:15:23,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:15:23" (1/1) ... [2022-12-15 00:15:23,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:15:23,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:15:24,024 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_4782a901-005b-4091-be77-32501f7098c5/sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c[20121,20134] [2022-12-15 00:15:24,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:15:24,039 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:15:24,089 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_4782a901-005b-4091-be77-32501f7098c5/sv-benchmarks/c/seq-mthreaded/pals_lcr.7_overflow.ufo.UNBOUNDED.pals.c[20121,20134] [2022-12-15 00:15:24,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:15:24,104 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:15:24,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:15:24 WrapperNode [2022-12-15 00:15:24,105 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:15:24,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:15:24,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:15:24,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:15:24,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:15:24" (1/1) ... [2022-12-15 00:15:24,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:15:24" (1/1) ... [2022-12-15 00:15:24,142 INFO L138 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 421 [2022-12-15 00:15:24,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:15:24,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:15:24,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:15:24,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:15:24,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:15:24" (1/1) ... [2022-12-15 00:15:24,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:15:24" (1/1) ... [2022-12-15 00:15:24,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:15:24" (1/1) ... [2022-12-15 00:15:24,153 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:15:24" (1/1) ... [2022-12-15 00:15:24,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:15:24" (1/1) ... [2022-12-15 00:15:24,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:15:24" (1/1) ... [2022-12-15 00:15:24,164 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:15:24" (1/1) ... [2022-12-15 00:15:24,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:15:24" (1/1) ... [2022-12-15 00:15:24,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:15:24,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:15:24,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:15:24,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:15:24,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:15:24" (1/1) ... [2022-12-15 00:15:24,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:15:24,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4782a901-005b-4091-be77-32501f7098c5/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:15:24,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4782a901-005b-4091-be77-32501f7098c5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:15:24,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4782a901-005b-4091-be77-32501f7098c5/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:15:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:15:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:15:24,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:15:24,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:15:24,320 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:15:24,322 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:15:24,679 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:15:25,096 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:15:25,096 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 00:15:25,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:15:25 BoogieIcfgContainer [2022-12-15 00:15:25,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:15:25,100 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:15:25,100 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:15:25,109 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:15:25,109 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:15:25" (1/1) ... [2022-12-15 00:15:25,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:15:25,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:15:25,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2022-12-15 00:15:25,153 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2022-12-15 00:15:25,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 00:15:25,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:15:25,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:15:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:15:26,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:15:26,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:15:26,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2022-12-15 00:15:26,963 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2022-12-15 00:15:26,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 00:15:26,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:15:26,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:15:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:15:27,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:15:27,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:15:27,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2022-12-15 00:15:27,689 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2022-12-15 00:15:27,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 00:15:27,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:15:27,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:15:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:15:28,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:15:29,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:15:29,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2022-12-15 00:15:29,026 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2022-12-15 00:15:29,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 00:15:29,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:15:29,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:15:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:15:30,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:15:30,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:15:30,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2022-12-15 00:15:30,236 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2022-12-15 00:15:30,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 00:15:30,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:15:30,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:15:30,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:15:35,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:15:39,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:15:39,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2022-12-15 00:15:39,325 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2022-12-15 00:15:39,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 00:15:39,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:15:39,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:15:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:15:39,725 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:15:42,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:15:42,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 41 states and 72 transitions. [2022-12-15 00:15:42,588 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2022-12-15 00:15:42,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 00:15:42,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:15:42,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:15:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:15:48,176 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:15:55,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:15:55,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 52 states and 92 transitions. [2022-12-15 00:15:55,246 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 92 transitions. [2022-12-15 00:15:55,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 00:15:55,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:15:55,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:15:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:15:55,552 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:15:55,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:15:55,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 53 states and 94 transitions. [2022-12-15 00:15:55,801 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 94 transitions. [2022-12-15 00:15:55,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 00:15:55,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:15:55,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:15:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:15:57,911 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:16:07,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:16:07,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 70 states and 135 transitions. [2022-12-15 00:16:07,133 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 135 transitions. [2022-12-15 00:16:07,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:16:07,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:16:07,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:16:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:16:09,323 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:16:19,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:16:19,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 83 states and 172 transitions. [2022-12-15 00:16:19,046 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 172 transitions. [2022-12-15 00:16:19,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:16:19,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:16:19,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:16:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:16:19,667 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:16:23,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:16:23,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 90 states and 185 transitions. [2022-12-15 00:16:23,432 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 185 transitions. [2022-12-15 00:16:23,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:16:23,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:16:23,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:16:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:16:25,761 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:16:34,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:16:34,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 101 states and 207 transitions. [2022-12-15 00:16:34,581 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 207 transitions. [2022-12-15 00:16:34,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:16:34,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:16:34,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:16:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:16:37,480 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:16:43,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:16:43,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 110 states and 227 transitions. [2022-12-15 00:16:43,446 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 227 transitions. [2022-12-15 00:16:43,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-15 00:16:43,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:16:43,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:16:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:16:43,924 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:16:44,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:16:44,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 111 states and 229 transitions. [2022-12-15 00:16:44,780 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 229 transitions. [2022-12-15 00:16:44,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 00:16:44,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:16:44,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:16:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:16:45,779 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-15 00:16:46,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:16:46,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 111 states and 228 transitions. [2022-12-15 00:16:46,464 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 228 transitions. [2022-12-15 00:16:46,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 00:16:46,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:16:46,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:16:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:28:46,384 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.