./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe030_power.opt_pso.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e519f3a 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_bcddb007-35ab-4f92-9475-386d75fe6368/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcddb007-35ab-4f92-9475-386d75fe6368/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcddb007-35ab-4f92-9475-386d75fe6368/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcddb007-35ab-4f92-9475-386d75fe6368/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe030_power.opt_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcddb007-35ab-4f92-9475-386d75fe6368/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcddb007-35ab-4f92-9475-386d75fe6368/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e0191a7c0154db5e6d5798f5b20e5814ce0ff555e18a7acf1f1e5e323a36576 --- 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-5e519f3 [2022-11-02 20:50:45,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:50:45,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:50:45,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:50:45,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:50:45,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:50:45,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:50:45,634 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:50:45,636 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:50:45,637 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:50:45,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:50:45,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:50:45,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:50:45,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:50:45,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:50:45,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:50:45,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:50:45,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:50:45,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:50:45,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:50:45,665 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:50:45,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:50:45,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:50:45,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:50:45,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:50:45,680 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:50:45,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:50:45,682 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:50:45,683 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:50:45,684 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:50:45,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:50:45,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:50:45,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:50:45,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:50:45,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:50:45,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:50:45,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:50:45,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:50:45,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:50:45,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:50:45,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:50:45,694 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcddb007-35ab-4f92-9475-386d75fe6368/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-02 20:50:45,737 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:50:45,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:50:45,738 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:50:45,738 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:50:45,739 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:50:45,739 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:50:45,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:50:45,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:50:45,740 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:50:45,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:50:45,742 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:50:45,742 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:50:45,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:50:45,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:50:45,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:50:45,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:50:45,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:50:45,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:50:45,744 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-02 20:50:45,744 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:50:45,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:50:45,744 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:50:45,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:50:45,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:50:45,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:50:45,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:50:45,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:50:45,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:50:45,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:50:45,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:50:45,747 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:50:45,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:50:45,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:50:45,748 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_bcddb007-35ab-4f92-9475-386d75fe6368/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcddb007-35ab-4f92-9475-386d75fe6368/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e0191a7c0154db5e6d5798f5b20e5814ce0ff555e18a7acf1f1e5e323a36576 [2022-11-02 20:50:46,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:50:46,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:50:46,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:50:46,094 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:50:46,095 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:50:46,096 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcddb007-35ab-4f92-9475-386d75fe6368/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/pthread-wmm/safe030_power.opt_pso.opt_rmo.opt.i [2022-11-02 20:50:46,170 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcddb007-35ab-4f92-9475-386d75fe6368/bin/uautomizer-Dbtcem3rbc/data/194f6db2a/50085e9f40184462a3923e79a37d18eb/FLAGfff0b6141 [2022-11-02 20:50:46,807 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:50:46,813 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcddb007-35ab-4f92-9475-386d75fe6368/sv-benchmarks/c/pthread-wmm/safe030_power.opt_pso.opt_rmo.opt.i [2022-11-02 20:50:46,834 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcddb007-35ab-4f92-9475-386d75fe6368/bin/uautomizer-Dbtcem3rbc/data/194f6db2a/50085e9f40184462a3923e79a37d18eb/FLAGfff0b6141 [2022-11-02 20:50:47,053 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcddb007-35ab-4f92-9475-386d75fe6368/bin/uautomizer-Dbtcem3rbc/data/194f6db2a/50085e9f40184462a3923e79a37d18eb [2022-11-02 20:50:47,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:50:47,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:50:47,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:50:47,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:50:47,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:50:47,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:50:47" (1/1) ... [2022-11-02 20:50:47,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@637361c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:47, skipping insertion in model container [2022-11-02 20:50:47,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:50:47" (1/1) ... [2022-11-02 20:50:47,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:50:47,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:50:47,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcddb007-35ab-4f92-9475-386d75fe6368/sv-benchmarks/c/pthread-wmm/safe030_power.opt_pso.opt_rmo.opt.i[967,980] [2022-11-02 20:50:47,530 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:50:47,539 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:50:47,560 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcddb007-35ab-4f92-9475-386d75fe6368/sv-benchmarks/c/pthread-wmm/safe030_power.opt_pso.opt_rmo.opt.i[967,980] [2022-11-02 20:50:47,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:50:47,686 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:50:47,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:47 WrapperNode [2022-11-02 20:50:47,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:50:47,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:50:47,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:50:47,688 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:50:47,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:47" (1/1) ... [2022-11-02 20:50:47,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:47" (1/1) ... [2022-11-02 20:50:47,770 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 275 [2022-11-02 20:50:47,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:50:47,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:50:47,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:50:47,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:50:47,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:47" (1/1) ... [2022-11-02 20:50:47,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:47" (1/1) ... [2022-11-02 20:50:47,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:47" (1/1) ... [2022-11-02 20:50:47,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:47" (1/1) ... [2022-11-02 20:50:47,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:47" (1/1) ... [2022-11-02 20:50:47,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:47" (1/1) ... [2022-11-02 20:50:47,838 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:47" (1/1) ... [2022-11-02 20:50:47,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:47" (1/1) ... [2022-11-02 20:50:47,843 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:50:47,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:50:47,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:50:47,844 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:50:47,845 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:47" (1/1) ... [2022-11-02 20:50:47,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:50:47,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcddb007-35ab-4f92-9475-386d75fe6368/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:50:47,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcddb007-35ab-4f92-9475-386d75fe6368/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:50:47,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcddb007-35ab-4f92-9475-386d75fe6368/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:50:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:50:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-02 20:50:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:50:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:50:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:50:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-02 20:50:47,938 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-02 20:50:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-02 20:50:47,939 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-02 20:50:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-02 20:50:47,939 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-02 20:50:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:50:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-02 20:50:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:50:47,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:50:47,942 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-02 20:50:48,077 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:50:48,079 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:50:48,719 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:50:49,122 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:50:49,122 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:50:49,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:50:49 BoogieIcfgContainer [2022-11-02 20:50:49,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:50:49,127 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:50:49,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:50:49,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:50:49,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:50:47" (1/3) ... [2022-11-02 20:50:49,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dda695b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:50:49, skipping insertion in model container [2022-11-02 20:50:49,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:50:47" (2/3) ... [2022-11-02 20:50:49,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dda695b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:50:49, skipping insertion in model container [2022-11-02 20:50:49,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:50:49" (3/3) ... [2022-11-02 20:50:49,134 INFO L112 eAbstractionObserver]: Analyzing ICFG safe030_power.opt_pso.opt_rmo.opt.i [2022-11-02 20:50:49,143 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-02 20:50:49,153 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:50:49,153 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-02 20:50:49,153 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-02 20:50:49,207 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-02 20:50:49,238 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-02 20:50:49,251 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 116 transitions, 247 flow [2022-11-02 20:50:49,253 INFO L112 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 116 transitions, 247 flow [2022-11-02 20:50:49,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 124 places, 116 transitions, 247 flow [2022-11-02 20:50:49,301 INFO L130 PetriNetUnfolder]: 2/113 cut-off events. [2022-11-02 20:50:49,302 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-02 20:50:49,305 INFO L83 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 65 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2022-11-02 20:50:49,307 INFO L118 LiptonReduction]: Number of co-enabled transitions 2464 [2022-11-02 20:51:03,465 INFO L133 LiptonReduction]: Checked pairs total: 7961 [2022-11-02 20:51:03,465 INFO L135 LiptonReduction]: Total number of compositions: 100 [2022-11-02 20:51:03,474 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 30 transitions, 75 flow [2022-11-02 20:51:03,565 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1270 states, 1244 states have (on average 3.5418006430868165) internal successors, (4406), 1269 states have internal predecessors, (4406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:03,584 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:51:03,590 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5b6435b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:51:03,591 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-11-02 20:51:03,596 INFO L276 IsEmpty]: Start isEmpty. Operand has 1270 states, 1244 states have (on average 3.5418006430868165) internal successors, (4406), 1269 states have internal predecessors, (4406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:03,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-02 20:51:03,602 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:51:03,603 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-02 20:51:03,603 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-02 20:51:03,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:51:03,609 INFO L85 PathProgramCache]: Analyzing trace with hash 32285746, now seen corresponding path program 1 times [2022-11-02 20:51:03,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:51:03,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716017903] [2022-11-02 20:51:03,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:03,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:51:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:03,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:51:03,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:51:03,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716017903] [2022-11-02 20:51:03,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716017903] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:51:03,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:51:03,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-02 20:51:03,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198481348] [2022-11-02 20:51:03,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:51:03,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:51:03,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:51:03,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:51:03,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:51:03,962 INFO L87 Difference]: Start difference. First operand has 1270 states, 1244 states have (on average 3.5418006430868165) internal successors, (4406), 1269 states have internal predecessors, (4406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:04,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:51:04,134 INFO L93 Difference]: Finished difference Result 702 states and 2017 transitions. [2022-11-02 20:51:04,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:51:04,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-02 20:51:04,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:51:04,155 INFO L225 Difference]: With dead ends: 702 [2022-11-02 20:51:04,155 INFO L226 Difference]: Without dead ends: 702 [2022-11-02 20:51:04,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:51:04,159 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 14 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:51:04,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 9 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:51:04,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2022-11-02 20:51:04,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 702. [2022-11-02 20:51:04,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 684 states have (on average 2.948830409356725) internal successors, (2017), 701 states have internal predecessors, (2017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:04,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 2017 transitions. [2022-11-02 20:51:04,255 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 2017 transitions. Word has length 4 [2022-11-02 20:51:04,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:51:04,256 INFO L495 AbstractCegarLoop]: Abstraction has 702 states and 2017 transitions. [2022-11-02 20:51:04,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:04,256 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 2017 transitions. [2022-11-02 20:51:04,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-02 20:51:04,258 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:51:04,258 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:51:04,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:51:04,259 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-02 20:51:04,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:51:04,260 INFO L85 PathProgramCache]: Analyzing trace with hash 831528579, now seen corresponding path program 1 times [2022-11-02 20:51:04,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:51:04,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212485299] [2022-11-02 20:51:04,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:04,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:51:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:04,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:51:04,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:51:04,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212485299] [2022-11-02 20:51:04,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212485299] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:51:04,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:51:04,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:51:04,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919426761] [2022-11-02 20:51:04,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:51:04,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:51:04,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:51:04,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:51:04,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:51:04,470 INFO L87 Difference]: Start difference. First operand 702 states and 2017 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:04,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:51:04,605 INFO L93 Difference]: Finished difference Result 562 states and 1647 transitions. [2022-11-02 20:51:04,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:51:04,606 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-02 20:51:04,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:51:04,615 INFO L225 Difference]: With dead ends: 562 [2022-11-02 20:51:04,617 INFO L226 Difference]: Without dead ends: 562 [2022-11-02 20:51:04,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:51:04,621 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 27 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:51:04,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 12 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:51:04,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2022-11-02 20:51:04,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 562. [2022-11-02 20:51:04,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 556 states have (on average 2.962230215827338) internal successors, (1647), 561 states have internal predecessors, (1647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:04,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 1647 transitions. [2022-11-02 20:51:04,673 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 1647 transitions. Word has length 10 [2022-11-02 20:51:04,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:51:04,673 INFO L495 AbstractCegarLoop]: Abstraction has 562 states and 1647 transitions. [2022-11-02 20:51:04,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:04,674 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 1647 transitions. [2022-11-02 20:51:04,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-02 20:51:04,678 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:51:04,678 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:51:04,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:51:04,679 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-02 20:51:04,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:51:04,680 INFO L85 PathProgramCache]: Analyzing trace with hash 7581333, now seen corresponding path program 1 times [2022-11-02 20:51:04,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:51:04,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297557164] [2022-11-02 20:51:04,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:04,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:51:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:04,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:51:04,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:51:04,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297557164] [2022-11-02 20:51:04,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297557164] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:51:04,784 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:51:04,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:51:04,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120558448] [2022-11-02 20:51:04,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:51:04,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-02 20:51:04,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:51:04,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 20:51:04,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:51:04,786 INFO L87 Difference]: Start difference. First operand 562 states and 1647 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:04,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:51:04,901 INFO L93 Difference]: Finished difference Result 458 states and 1364 transitions. [2022-11-02 20:51:04,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 20:51:04,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-02 20:51:04,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:51:04,905 INFO L225 Difference]: With dead ends: 458 [2022-11-02 20:51:04,905 INFO L226 Difference]: Without dead ends: 458 [2022-11-02 20:51:04,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-02 20:51:04,907 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 30 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:51:04,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 12 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:51:04,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2022-11-02 20:51:04,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2022-11-02 20:51:04,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 455 states have (on average 2.997802197802198) internal successors, (1364), 457 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:04,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 1364 transitions. [2022-11-02 20:51:04,924 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 1364 transitions. Word has length 11 [2022-11-02 20:51:04,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:51:04,924 INFO L495 AbstractCegarLoop]: Abstraction has 458 states and 1364 transitions. [2022-11-02 20:51:04,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:04,925 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 1364 transitions. [2022-11-02 20:51:04,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-02 20:51:04,927 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:51:04,928 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:51:04,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:51:04,928 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-02 20:51:04,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:51:04,929 INFO L85 PathProgramCache]: Analyzing trace with hash 458317879, now seen corresponding path program 1 times [2022-11-02 20:51:04,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:51:04,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232340856] [2022-11-02 20:51:04,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:51:04,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:51:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:51:05,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:51:05,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:51:05,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232340856] [2022-11-02 20:51:05,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232340856] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:51:05,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:51:05,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:51:05,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330423765] [2022-11-02 20:51:05,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:51:05,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:51:05,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:51:05,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:51:05,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:51:05,114 INFO L87 Difference]: Start difference. First operand 458 states and 1364 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:05,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:51:05,220 INFO L93 Difference]: Finished difference Result 446 states and 1343 transitions. [2022-11-02 20:51:05,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:51:05,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-02 20:51:05,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:51:05,222 INFO L225 Difference]: With dead ends: 446 [2022-11-02 20:51:05,222 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:51:05,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:51:05,223 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 47 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:51:05,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 9 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:51:05,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:51:05,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:51:05,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:05,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:51:05,225 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2022-11-02 20:51:05,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:51:05,226 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:51:05,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:51:05,226 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:51:05,226 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:51:05,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-11-02 20:51:05,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-11-02 20:51:05,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-11-02 20:51:05,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-11-02 20:51:05,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-11-02 20:51:05,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-11-02 20:51:05,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-11-02 20:51:05,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-11-02 20:51:05,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-11-02 20:51:05,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-11-02 20:51:05,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-11-02 20:51:05,232 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-11-02 20:51:05,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-11-02 20:51:05,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-11-02 20:51:05,233 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-11-02 20:51:05,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:51:05,236 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-02 20:51:05,241 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-02 20:51:05,242 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:51:05,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:51:05 BasicIcfg [2022-11-02 20:51:05,244 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:51:05,245 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:51:05,245 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:51:05,245 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:51:05,246 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:50:49" (3/4) ... [2022-11-02 20:51:05,249 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:51:05,254 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2022-11-02 20:51:05,254 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2022-11-02 20:51:05,255 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2022-11-02 20:51:05,262 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 121 nodes and edges [2022-11-02 20:51:05,262 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-02 20:51:05,263 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-02 20:51:05,263 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:51:05,314 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcddb007-35ab-4f92-9475-386d75fe6368/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:51:05,315 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:51:05,315 INFO L158 Benchmark]: Toolchain (without parser) took 18258.10ms. Allocated memory was 102.8MB in the beginning and 186.6MB in the end (delta: 83.9MB). Free memory was 70.3MB in the beginning and 128.9MB in the end (delta: -58.6MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2022-11-02 20:51:05,316 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 102.8MB. Free memory was 57.6MB in the beginning and 57.5MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:51:05,316 INFO L158 Benchmark]: CACSL2BoogieTranslator took 628.37ms. Allocated memory is still 102.8MB. Free memory was 70.1MB in the beginning and 64.9MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:51:05,316 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.81ms. Allocated memory is still 102.8MB. Free memory was 64.9MB in the beginning and 61.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:51:05,317 INFO L158 Benchmark]: Boogie Preprocessor took 64.63ms. Allocated memory is still 102.8MB. Free memory was 61.6MB in the beginning and 59.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:51:05,317 INFO L158 Benchmark]: RCFGBuilder took 1281.30ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 59.6MB in the beginning and 95.6MB in the end (delta: -36.0MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2022-11-02 20:51:05,318 INFO L158 Benchmark]: TraceAbstraction took 16117.25ms. Allocated memory was 123.7MB in the beginning and 186.6MB in the end (delta: 62.9MB). Free memory was 94.6MB in the beginning and 134.2MB in the end (delta: -39.6MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2022-11-02 20:51:05,318 INFO L158 Benchmark]: Witness Printer took 69.83ms. Allocated memory is still 186.6MB. Free memory was 134.2MB in the beginning and 128.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:51:05,320 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 102.8MB. Free memory was 57.6MB in the beginning and 57.5MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 628.37ms. Allocated memory is still 102.8MB. Free memory was 70.1MB in the beginning and 64.9MB in the end (delta: 5.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.81ms. Allocated memory is still 102.8MB. Free memory was 64.9MB in the beginning and 61.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.63ms. Allocated memory is still 102.8MB. Free memory was 61.6MB in the beginning and 59.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1281.30ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 59.6MB in the beginning and 95.6MB in the end (delta: -36.0MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. * TraceAbstraction took 16117.25ms. Allocated memory was 123.7MB in the beginning and 186.6MB in the end (delta: 62.9MB). Free memory was 94.6MB in the beginning and 134.2MB in the end (delta: -39.6MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Witness Printer took 69.83ms. Allocated memory is still 186.6MB. Free memory was 134.2MB in the beginning and 128.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.2s, 124 PlacesBefore, 39 PlacesAfterwards, 116 TransitionsBefore, 30 TransitionsAfterwards, 2464 CoEnabledTransitionPairs, 7 FixpointIterations, 39 TrivialSequentialCompositions, 48 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 1 ChoiceCompositions, 100 TotalNumberOfCompositions, 7961 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3435, positive: 3191, positive conditional: 0, positive unconditional: 3191, negative: 244, negative conditional: 0, negative unconditional: 244, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1679, positive: 1634, positive conditional: 0, positive unconditional: 1634, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1679, positive: 1586, positive conditional: 0, positive unconditional: 1586, negative: 93, negative conditional: 0, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 93, positive: 48, positive conditional: 0, positive unconditional: 48, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 598, positive: 175, positive conditional: 0, positive unconditional: 175, negative: 423, negative conditional: 0, negative unconditional: 423, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3435, positive: 1557, positive conditional: 0, positive unconditional: 1557, negative: 199, negative conditional: 0, negative unconditional: 199, unknown: 1679, unknown conditional: 0, unknown unconditional: 1679] , Statistics on independence cache: Total cache size (in pairs): 209, Positive cache size: 188, Positive conditional cache size: 0, Positive unconditional cache size: 188, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 747]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 747]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 796]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 796]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 147 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 16.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 14.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 118 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 118 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 95 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 207 IncrementalHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 21 mSDtfsCounter, 207 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1270occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 114 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-02 20:51:05,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcddb007-35ab-4f92-9475-386d75fe6368/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE