./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c4871fa74a6ded36b6531b0612810d966313f55 ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c4871fa74a6ded36b6531b0612810d966313f55 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:19:52,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:19:52,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:19:52,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:19:52,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:19:52,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:19:52,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:19:52,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:19:52,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:19:52,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:19:52,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:19:52,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:19:52,696 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:19:52,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:19:52,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:19:52,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:19:52,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:19:52,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:19:52,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:19:52,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:19:52,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:19:52,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:19:52,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:19:52,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:19:52,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:19:52,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:19:52,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:19:52,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:19:52,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:19:52,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:19:52,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:19:52,749 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:19:52,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:19:52,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:19:52,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:19:52,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:19:52,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:19:52,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:19:52,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:19:52,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:19:52,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:19:52,760 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:19:52,806 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:19:52,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:19:52,808 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:19:52,808 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:19:52,809 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:19:52,809 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:19:52,809 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:19:52,810 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:19:52,816 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:19:52,817 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:19:52,818 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:19:52,819 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:19:52,819 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:19:52,819 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:19:52,820 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:19:52,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:19:52,821 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:19:52,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:19:52,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:19:52,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:19:52,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:19:52,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:19:52,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:19:52,823 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:19:52,824 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:19:52,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:19:52,824 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:19:52,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:19:52,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:19:52,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:19:52,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:19:52,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:19:52,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:19:52,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:19:52,828 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:19:52,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:19:52,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:19:52,829 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:19:52,830 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:19:52,830 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c4871fa74a6ded36b6531b0612810d966313f55 [2021-10-16 02:19:53,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:19:53,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:19:53,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:19:53,203 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:19:53,203 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:19:53,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c [2021-10-16 02:19:53,263 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/data/b420e41de/9f8bc783e2f1423090331ceac9a8ba62/FLAG64ed1389e [2021-10-16 02:19:53,878 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:19:53,878 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c [2021-10-16 02:19:53,898 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/data/b420e41de/9f8bc783e2f1423090331ceac9a8ba62/FLAG64ed1389e [2021-10-16 02:19:54,180 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/data/b420e41de/9f8bc783e2f1423090331ceac9a8ba62 [2021-10-16 02:19:54,189 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:19:54,191 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:19:54,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:19:54,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:19:54,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:19:54,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:19:54" (1/1) ... [2021-10-16 02:19:54,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10d3a6ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:19:54, skipping insertion in model container [2021-10-16 02:19:54,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:19:54" (1/1) ... [2021-10-16 02:19:54,212 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:19:54,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:19:54,605 WARN L228 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_6135a49a-2feb-4158-aa97-f1788d6f5162/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c[17915,17928] [2021-10-16 02:19:54,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:19:54,636 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-16 02:19:54,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5d333a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:19:54, skipping insertion in model container [2021-10-16 02:19:54,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:19:54,639 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 02:19:54,642 INFO L168 Benchmark]: Toolchain (without parser) took 449.57 ms. Allocated memory is still 127.9 MB. Free memory was 89.0 MB in the beginning and 98.7 MB in the end (delta: -9.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:19:54,643 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 127.9 MB. Free memory was 106.0 MB in the beginning and 106.0 MB in the end (delta: 51.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:19:54,645 INFO L168 Benchmark]: CACSL2BoogieTranslator took 443.42 ms. Allocated memory is still 127.9 MB. Free memory was 88.8 MB in the beginning and 98.7 MB in the end (delta: -9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:19:54,648 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 127.9 MB. Free memory was 106.0 MB in the beginning and 106.0 MB in the end (delta: 51.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 443.42 ms. Allocated memory is still 127.9 MB. Free memory was 88.8 MB in the beginning and 98.7 MB in the end (delta: -9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 78]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:19:57,015 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:19:57,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:19:57,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:19:57,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:19:57,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:19:57,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:19:57,098 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:19:57,102 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:19:57,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:19:57,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:19:57,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:19:57,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:19:57,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:19:57,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:19:57,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:19:57,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:19:57,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:19:57,130 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:19:57,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:19:57,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:19:57,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:19:57,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:19:57,147 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:19:57,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:19:57,157 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:19:57,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:19:57,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:19:57,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:19:57,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:19:57,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:19:57,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:19:57,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:19:57,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:19:57,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:19:57,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:19:57,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:19:57,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:19:57,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:19:57,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:19:57,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:19:57,175 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:19:57,220 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:19:57,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:19:57,222 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:19:57,222 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:19:57,222 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:19:57,223 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:19:57,223 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:19:57,223 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:19:57,223 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:19:57,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:19:57,226 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:19:57,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:19:57,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:19:57,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:19:57,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:19:57,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:19:57,228 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:19:57,228 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:19:57,228 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:19:57,229 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:19:57,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:19:57,229 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:19:57,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:19:57,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:19:57,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:19:57,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:19:57,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:19:57,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:19:57,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:19:57,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:19:57,231 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:19:57,231 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:19:57,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:19:57,232 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:19:57,233 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:19:57,233 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c4871fa74a6ded36b6531b0612810d966313f55 [2021-10-16 02:19:57,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:19:57,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:19:57,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:19:57,681 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:19:57,682 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:19:57,683 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c [2021-10-16 02:19:57,777 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/data/5d0bd83fc/8695504140e4475b98e9503c73e55e02/FLAGb45b8beea [2021-10-16 02:19:58,397 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:19:58,398 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c [2021-10-16 02:19:58,411 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/data/5d0bd83fc/8695504140e4475b98e9503c73e55e02/FLAGb45b8beea [2021-10-16 02:19:58,733 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/data/5d0bd83fc/8695504140e4475b98e9503c73e55e02 [2021-10-16 02:19:58,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:19:58,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:19:58,739 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:19:58,739 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:19:58,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:19:58,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:19:58" (1/1) ... [2021-10-16 02:19:58,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b7c2018 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:19:58, skipping insertion in model container [2021-10-16 02:19:58,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:19:58" (1/1) ... [2021-10-16 02:19:58,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:19:58,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:19:59,133 WARN L228 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_6135a49a-2feb-4158-aa97-f1788d6f5162/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c[17915,17928] [2021-10-16 02:19:59,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:19:59,163 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-16 02:19:59,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:19:59,243 WARN L228 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_6135a49a-2feb-4158-aa97-f1788d6f5162/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c[17915,17928] [2021-10-16 02:19:59,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:19:59,273 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:19:59,373 WARN L228 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_6135a49a-2feb-4158-aa97-f1788d6f5162/sv-benchmarks/c/product-lines/minepump_spec5_product53.cil.c[17915,17928] [2021-10-16 02:19:59,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:19:59,405 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:19:59,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:19:59 WrapperNode [2021-10-16 02:19:59,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:19:59,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:19:59,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:19:59,407 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:19:59,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:19:59" (1/1) ... [2021-10-16 02:19:59,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:19:59" (1/1) ... [2021-10-16 02:19:59,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:19:59,526 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:19:59,526 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:19:59,526 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:19:59,536 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:19:59" (1/1) ... [2021-10-16 02:19:59,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:19:59" (1/1) ... [2021-10-16 02:19:59,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:19:59" (1/1) ... [2021-10-16 02:19:59,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:19:59" (1/1) ... [2021-10-16 02:19:59,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:19:59" (1/1) ... [2021-10-16 02:19:59,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:19:59" (1/1) ... [2021-10-16 02:19:59,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:19:59" (1/1) ... [2021-10-16 02:19:59,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:19:59,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:19:59,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:19:59,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:19:59,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:19:59" (1/1) ... [2021-10-16 02:19:59,618 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:19:59,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:19:59,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:19:59,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:19:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:19:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:19:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:19:59,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:20:02,456 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:20:02,461 INFO L299 CfgBuilder]: Removed 290 assume(true) statements. [2021-10-16 02:20:02,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:20:02 BoogieIcfgContainer [2021-10-16 02:20:02,465 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:20:02,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:20:02,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:20:02,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:20:02,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:19:58" (1/3) ... [2021-10-16 02:20:02,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75212a6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:20:02, skipping insertion in model container [2021-10-16 02:20:02,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:19:59" (2/3) ... [2021-10-16 02:20:02,473 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75212a6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:20:02, skipping insertion in model container [2021-10-16 02:20:02,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:20:02" (3/3) ... [2021-10-16 02:20:02,475 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product53.cil.c [2021-10-16 02:20:02,481 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:20:02,481 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-16 02:20:02,550 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:20:02,573 INFO L339 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, mConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 02:20:02,574 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-16 02:20:02,600 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 194 states have (on average 1.5463917525773196) internal successors, (300), 197 states have internal predecessors, (300), 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) [2021-10-16 02:20:02,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-16 02:20:02,622 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:20:02,623 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:20:02,624 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:20:02,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:20:02,630 INFO L82 PathProgramCache]: Analyzing trace with hash -750612192, now seen corresponding path program 1 times [2021-10-16 02:20:02,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:20:02,646 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1434141441] [2021-10-16 02:20:02,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:20:02,647 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:20:02,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:20:02,650 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:20:02,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:20:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:20:02,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-16 02:20:02,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:20:02,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:20:02,996 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:20:03,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:20:03,074 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:20:03,075 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1434141441] [2021-10-16 02:20:03,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1434141441] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:20:03,076 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:20:03,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-16 02:20:03,078 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746143522] [2021-10-16 02:20:03,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 02:20:03,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:20:03,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 02:20:03,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:20:03,106 INFO L87 Difference]: Start difference. First operand has 198 states, 194 states have (on average 1.5463917525773196) internal successors, (300), 197 states have internal predecessors, (300), 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 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-10-16 02:20:03,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:20:03,166 INFO L93 Difference]: Finished difference Result 389 states and 592 transitions. [2021-10-16 02:20:03,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 02:20:03,169 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 19 [2021-10-16 02:20:03,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:20:03,181 INFO L225 Difference]: With dead ends: 389 [2021-10-16 02:20:03,181 INFO L226 Difference]: Without dead ends: 194 [2021-10-16 02:20:03,184 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:20:03,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-10-16 02:20:03,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2021-10-16 02:20:03,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 191 states have (on average 1.5078534031413613) internal successors, (288), 193 states have internal predecessors, (288), 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) [2021-10-16 02:20:03,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 288 transitions. [2021-10-16 02:20:03,237 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 288 transitions. Word has length 19 [2021-10-16 02:20:03,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:20:03,238 INFO L470 AbstractCegarLoop]: Abstraction has 194 states and 288 transitions. [2021-10-16 02:20:03,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2021-10-16 02:20:03,238 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 288 transitions. [2021-10-16 02:20:03,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-16 02:20:03,239 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:20:03,240 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:20:03,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:20:03,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:20:03,452 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:20:03,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:20:03,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1114380044, now seen corresponding path program 1 times [2021-10-16 02:20:03,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:20:03,454 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1477194179] [2021-10-16 02:20:03,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:20:03,454 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:20:03,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:20:03,456 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:20:03,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 02:20:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:20:03,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:20:03,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:20:03,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:20:03,761 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:20:03,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:20:03,838 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:20:03,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1477194179] [2021-10-16 02:20:03,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1477194179] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:20:03,839 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:20:03,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-10-16 02:20:03,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926752272] [2021-10-16 02:20:03,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:20:03,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:20:03,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:20:03,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:20:03,842 INFO L87 Difference]: Start difference. First operand 194 states and 288 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-10-16 02:20:03,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:20:03,863 INFO L93 Difference]: Finished difference Result 194 states and 288 transitions. [2021-10-16 02:20:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:20:03,863 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 20 [2021-10-16 02:20:03,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:20:03,865 INFO L225 Difference]: With dead ends: 194 [2021-10-16 02:20:03,865 INFO L226 Difference]: Without dead ends: 75 [2021-10-16 02:20:03,866 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.3ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:20:03,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-16 02:20:03,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-10-16 02:20:03,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.4864864864864864) internal successors, (110), 74 states have internal predecessors, (110), 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) [2021-10-16 02:20:03,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 110 transitions. [2021-10-16 02:20:03,874 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 110 transitions. Word has length 20 [2021-10-16 02:20:03,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:20:03,875 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 110 transitions. [2021-10-16 02:20:03,875 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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) [2021-10-16 02:20:03,875 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 110 transitions. [2021-10-16 02:20:03,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-16 02:20:03,876 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:20:03,877 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:20:03,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-16 02:20:04,092 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:20:04,093 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:20:04,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:20:04,094 INFO L82 PathProgramCache]: Analyzing trace with hash 298878360, now seen corresponding path program 1 times [2021-10-16 02:20:04,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:20:04,099 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1147977055] [2021-10-16 02:20:04,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:20:04,099 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:20:04,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:20:04,100 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:20:04,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-16 02:20:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:20:04,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:20:04,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:20:04,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:20:04,409 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:20:04,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:20:04,522 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:20:04,523 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1147977055] [2021-10-16 02:20:04,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1147977055] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:20:04,523 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:20:04,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 02:20:04,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381479897] [2021-10-16 02:20:04,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:20:04,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:20:04,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:20:04,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:20:04,529 INFO L87 Difference]: Start difference. First operand 75 states and 110 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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) [2021-10-16 02:20:04,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:20:04,556 INFO L93 Difference]: Finished difference Result 143 states and 213 transitions. [2021-10-16 02:20:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:20:04,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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 26 [2021-10-16 02:20:04,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:20:04,558 INFO L225 Difference]: With dead ends: 143 [2021-10-16 02:20:04,558 INFO L226 Difference]: Without dead ends: 75 [2021-10-16 02:20:04,560 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:20:04,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2021-10-16 02:20:04,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2021-10-16 02:20:04,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 74 states have (on average 1.472972972972973) internal successors, (109), 74 states have internal predecessors, (109), 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) [2021-10-16 02:20:04,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 109 transitions. [2021-10-16 02:20:04,574 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 109 transitions. Word has length 26 [2021-10-16 02:20:04,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:20:04,575 INFO L470 AbstractCegarLoop]: Abstraction has 75 states and 109 transitions. [2021-10-16 02:20:04,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 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) [2021-10-16 02:20:04,576 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2021-10-16 02:20:04,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-16 02:20:04,579 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:20:04,580 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:20:04,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-10-16 02:20:04,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:20:04,794 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:20:04,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:20:04,795 INFO L82 PathProgramCache]: Analyzing trace with hash -149422890, now seen corresponding path program 1 times [2021-10-16 02:20:04,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:20:04,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [802518439] [2021-10-16 02:20:04,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:20:04,796 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:20:04,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:20:04,799 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:20:04,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-10-16 02:20:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:20:05,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:20:05,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:20:05,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:20:05,134 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:20:05,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:20:05,206 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:20:05,206 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [802518439] [2021-10-16 02:20:05,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [802518439] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:20:05,209 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:20:05,209 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-10-16 02:20:05,209 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971523120] [2021-10-16 02:20:05,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-16 02:20:05,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:20:05,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-16 02:20:05,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:20:05,212 INFO L87 Difference]: Start difference. First operand 75 states and 109 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-10-16 02:20:05,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:20:05,291 INFO L93 Difference]: Finished difference Result 155 states and 227 transitions. [2021-10-16 02:20:05,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-16 02:20:05,292 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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 29 [2021-10-16 02:20:05,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:20:05,295 INFO L225 Difference]: With dead ends: 155 [2021-10-16 02:20:05,297 INFO L226 Difference]: Without dead ends: 87 [2021-10-16 02:20:05,298 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-16 02:20:05,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2021-10-16 02:20:05,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85. [2021-10-16 02:20:05,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 84 states have (on average 1.4166666666666667) internal successors, (119), 84 states have internal predecessors, (119), 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) [2021-10-16 02:20:05,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 119 transitions. [2021-10-16 02:20:05,319 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 119 transitions. Word has length 29 [2021-10-16 02:20:05,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:20:05,319 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 119 transitions. [2021-10-16 02:20:05,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-10-16 02:20:05,320 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 119 transitions. [2021-10-16 02:20:05,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-16 02:20:05,322 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:20:05,322 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:20:05,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-10-16 02:20:05,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:20:05,535 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:20:05,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:20:05,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1951483845, now seen corresponding path program 1 times [2021-10-16 02:20:05,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:20:05,536 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [660786620] [2021-10-16 02:20:05,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:20:05,537 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:20:05,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:20:05,538 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:20:05,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-10-16 02:20:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:20:05,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:20:05,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:20:05,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:20:05,863 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:20:05,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:20:05,948 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:20:05,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [660786620] [2021-10-16 02:20:05,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [660786620] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:20:05,953 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:20:05,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-16 02:20:05,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149199447] [2021-10-16 02:20:05,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 02:20:05,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:20:05,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 02:20:05,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:20:05,957 INFO L87 Difference]: Start difference. First operand 85 states and 119 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-10-16 02:20:06,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:20:06,055 INFO L93 Difference]: Finished difference Result 223 states and 310 transitions. [2021-10-16 02:20:06,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 02:20:06,056 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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 35 [2021-10-16 02:20:06,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:20:06,059 INFO L225 Difference]: With dead ends: 223 [2021-10-16 02:20:06,059 INFO L226 Difference]: Without dead ends: 145 [2021-10-16 02:20:06,061 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 28.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-16 02:20:06,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2021-10-16 02:20:06,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 94. [2021-10-16 02:20:06,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 93 states have (on average 1.3763440860215055) internal successors, (128), 93 states have internal predecessors, (128), 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) [2021-10-16 02:20:06,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 128 transitions. [2021-10-16 02:20:06,090 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 128 transitions. Word has length 35 [2021-10-16 02:20:06,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:20:06,090 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 128 transitions. [2021-10-16 02:20:06,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-10-16 02:20:06,091 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 128 transitions. [2021-10-16 02:20:06,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-16 02:20:06,094 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:20:06,094 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:20:06,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-10-16 02:20:06,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:20:06,307 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:20:06,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:20:06,308 INFO L82 PathProgramCache]: Analyzing trace with hash -1410019742, now seen corresponding path program 1 times [2021-10-16 02:20:06,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:20:06,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [351450979] [2021-10-16 02:20:06,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:20:06,309 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:20:06,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:20:06,310 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:20:06,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-10-16 02:20:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:20:06,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:20:06,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:20:06,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:20:06,699 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:20:06,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:20:06,794 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:20:06,794 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [351450979] [2021-10-16 02:20:06,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [351450979] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:20:06,794 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:20:06,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-16 02:20:06,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729807562] [2021-10-16 02:20:06,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-16 02:20:06,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:20:06,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-16 02:20:06,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-16 02:20:06,796 INFO L87 Difference]: Start difference. First operand 94 states and 128 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-10-16 02:20:07,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:20:07,001 INFO L93 Difference]: Finished difference Result 313 states and 429 transitions. [2021-10-16 02:20:07,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-16 02:20:07,001 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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 35 [2021-10-16 02:20:07,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:20:07,004 INFO L225 Difference]: With dead ends: 313 [2021-10-16 02:20:07,004 INFO L226 Difference]: Without dead ends: 226 [2021-10-16 02:20:07,004 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 54.5ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-16 02:20:07,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2021-10-16 02:20:07,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 93. [2021-10-16 02:20:07,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 92 states have (on average 1.358695652173913) internal successors, (125), 92 states have internal predecessors, (125), 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) [2021-10-16 02:20:07,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 125 transitions. [2021-10-16 02:20:07,017 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 125 transitions. Word has length 35 [2021-10-16 02:20:07,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:20:07,017 INFO L470 AbstractCegarLoop]: Abstraction has 93 states and 125 transitions. [2021-10-16 02:20:07,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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) [2021-10-16 02:20:07,018 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 125 transitions. [2021-10-16 02:20:07,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-16 02:20:07,019 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:20:07,019 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:20:07,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-10-16 02:20:07,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:20:07,236 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:20:07,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:20:07,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1642418873, now seen corresponding path program 1 times [2021-10-16 02:20:07,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:20:07,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [762914181] [2021-10-16 02:20:07,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:20:07,238 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:20:07,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:20:07,239 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:20:07,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-10-16 02:20:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:20:07,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 02:20:07,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:20:07,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:20:07,609 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:20:07,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:20:07,688 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:20:07,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [762914181] [2021-10-16 02:20:07,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [762914181] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:20:07,688 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:20:07,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-16 02:20:07,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223895924] [2021-10-16 02:20:07,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 02:20:07,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:20:07,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 02:20:07,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-16 02:20:07,690 INFO L87 Difference]: Start difference. First operand 93 states and 125 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 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) [2021-10-16 02:20:07,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:20:07,757 INFO L93 Difference]: Finished difference Result 240 states and 321 transitions. [2021-10-16 02:20:07,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-16 02:20:07,758 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 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 35 [2021-10-16 02:20:07,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:20:07,760 INFO L225 Difference]: With dead ends: 240 [2021-10-16 02:20:07,760 INFO L226 Difference]: Without dead ends: 154 [2021-10-16 02:20:07,761 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 20.2ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-16 02:20:07,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-10-16 02:20:07,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 99. [2021-10-16 02:20:07,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 98 states have (on average 1.336734693877551) internal successors, (131), 98 states have internal predecessors, (131), 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) [2021-10-16 02:20:07,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 131 transitions. [2021-10-16 02:20:07,783 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 131 transitions. Word has length 35 [2021-10-16 02:20:07,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:20:07,784 INFO L470 AbstractCegarLoop]: Abstraction has 99 states and 131 transitions. [2021-10-16 02:20:07,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 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) [2021-10-16 02:20:07,785 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 131 transitions. [2021-10-16 02:20:07,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-10-16 02:20:07,786 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:20:07,786 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:20:07,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-10-16 02:20:07,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:20:07,999 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:20:07,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:20:07,999 INFO L82 PathProgramCache]: Analyzing trace with hash 2065742409, now seen corresponding path program 1 times [2021-10-16 02:20:08,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:20:08,000 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1340873578] [2021-10-16 02:20:08,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:20:08,000 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:20:08,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:20:08,001 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:20:08,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-10-16 02:20:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:20:08,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-16 02:20:08,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:20:08,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:20:08,410 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:20:08,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:20:08,532 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:20:08,532 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1340873578] [2021-10-16 02:20:08,532 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1340873578] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:20:08,532 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:20:08,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2021-10-16 02:20:08,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552007555] [2021-10-16 02:20:08,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-16 02:20:08,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:20:08,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-16 02:20:08,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:20:08,534 INFO L87 Difference]: Start difference. First operand 99 states and 131 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 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) [2021-10-16 02:20:08,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:20:08,615 INFO L93 Difference]: Finished difference Result 291 states and 389 transitions. [2021-10-16 02:20:08,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-16 02:20:08,616 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 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 35 [2021-10-16 02:20:08,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:20:08,617 INFO L225 Difference]: With dead ends: 291 [2021-10-16 02:20:08,618 INFO L226 Difference]: Without dead ends: 199 [2021-10-16 02:20:08,618 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-16 02:20:08,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2021-10-16 02:20:08,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 168. [2021-10-16 02:20:08,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 167 states have (on average 1.3293413173652695) internal successors, (222), 167 states have internal predecessors, (222), 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) [2021-10-16 02:20:08,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 222 transitions. [2021-10-16 02:20:08,638 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 222 transitions. Word has length 35 [2021-10-16 02:20:08,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:20:08,639 INFO L470 AbstractCegarLoop]: Abstraction has 168 states and 222 transitions. [2021-10-16 02:20:08,639 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 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) [2021-10-16 02:20:08,639 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 222 transitions. [2021-10-16 02:20:08,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-10-16 02:20:08,640 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:20:08,640 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:20:08,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-10-16 02:20:08,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:20:08,856 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:20:08,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:20:08,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1741083913, now seen corresponding path program 1 times [2021-10-16 02:20:08,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:20:08,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1453793753] [2021-10-16 02:20:08,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:20:08,857 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:20:08,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:20:08,858 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:20:08,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-10-16 02:20:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:20:09,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-16 02:20:09,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:20:09,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:20:09,341 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:20:09,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:20:09,464 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:20:09,464 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1453793753] [2021-10-16 02:20:09,464 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1453793753] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:20:09,464 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:20:09,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-10-16 02:20:09,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759440171] [2021-10-16 02:20:09,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 02:20:09,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:20:09,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 02:20:09,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-16 02:20:09,466 INFO L87 Difference]: Start difference. First operand 168 states and 222 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-10-16 02:20:11,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:20:11,125 INFO L93 Difference]: Finished difference Result 809 states and 1078 transitions. [2021-10-16 02:20:11,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-16 02:20:11,125 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 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 36 [2021-10-16 02:20:11,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:20:11,129 INFO L225 Difference]: With dead ends: 809 [2021-10-16 02:20:11,130 INFO L226 Difference]: Without dead ends: 648 [2021-10-16 02:20:11,130 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 74.2ms TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-10-16 02:20:11,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2021-10-16 02:20:11,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 291. [2021-10-16 02:20:11,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 290 states have (on average 1.306896551724138) internal successors, (379), 290 states have internal predecessors, (379), 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) [2021-10-16 02:20:11,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 379 transitions. [2021-10-16 02:20:11,181 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 379 transitions. Word has length 36 [2021-10-16 02:20:11,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:20:11,182 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 379 transitions. [2021-10-16 02:20:11,182 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 5 states have internal predecessors, (36), 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) [2021-10-16 02:20:11,182 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 379 transitions. [2021-10-16 02:20:11,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-16 02:20:11,183 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:20:11,184 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:20:11,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-10-16 02:20:11,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:20:11,401 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:20:11,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:20:11,402 INFO L82 PathProgramCache]: Analyzing trace with hash -905921982, now seen corresponding path program 1 times [2021-10-16 02:20:11,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:20:11,402 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1309380632] [2021-10-16 02:20:11,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:20:11,403 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:20:11,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:20:11,404 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:20:11,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-10-16 02:20:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:20:11,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:20:11,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:20:11,901 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-16 02:20:11,901 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:20:12,050 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-10-16 02:20:12,050 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:20:12,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1309380632] [2021-10-16 02:20:12,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1309380632] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:20:12,051 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:20:12,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-10-16 02:20:12,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230583384] [2021-10-16 02:20:12,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-16 02:20:12,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:20:12,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-16 02:20:12,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-16 02:20:12,053 INFO L87 Difference]: Start difference. First operand 291 states and 379 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 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) [2021-10-16 02:20:12,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:20:12,196 INFO L93 Difference]: Finished difference Result 935 states and 1217 transitions. [2021-10-16 02:20:12,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 02:20:12,196 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 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 63 [2021-10-16 02:20:12,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:20:12,202 INFO L225 Difference]: With dead ends: 935 [2021-10-16 02:20:12,202 INFO L226 Difference]: Without dead ends: 651 [2021-10-16 02:20:12,203 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 50.1ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-16 02:20:12,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2021-10-16 02:20:12,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 300. [2021-10-16 02:20:12,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 299 states have (on average 1.2976588628762542) internal successors, (388), 299 states have internal predecessors, (388), 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) [2021-10-16 02:20:12,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 388 transitions. [2021-10-16 02:20:12,253 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 388 transitions. Word has length 63 [2021-10-16 02:20:12,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:20:12,253 INFO L470 AbstractCegarLoop]: Abstraction has 300 states and 388 transitions. [2021-10-16 02:20:12,253 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 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) [2021-10-16 02:20:12,253 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 388 transitions. [2021-10-16 02:20:12,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-16 02:20:12,255 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:20:12,255 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:20:12,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-10-16 02:20:12,471 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:20:12,472 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:20:12,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:20:12,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1164087420, now seen corresponding path program 1 times [2021-10-16 02:20:12,473 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:20:12,473 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1645356974] [2021-10-16 02:20:12,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:20:12,473 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:20:12,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:20:12,475 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:20:12,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-10-16 02:20:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:20:12,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-16 02:20:12,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:20:13,109 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-16 02:20:13,110 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:20:13,423 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-16 02:20:13,423 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:20:13,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1645356974] [2021-10-16 02:20:13,424 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1645356974] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:20:13,424 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2018225347] [2021-10-16 02:20:13,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:20:13,424 INFO L170 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-10-16 02:20:13,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/cvc4 [2021-10-16 02:20:13,426 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-10-16 02:20:13,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2021-10-16 02:20:13,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:20:13,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-16 02:20:13,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:20:14,116 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:20:14,117 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:20:14,344 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:20:14,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2018225347] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:20:14,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872977738] [2021-10-16 02:20:14,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:20:14,345 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-16 02:20:14,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:20:14,348 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-16 02:20:14,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-10-16 02:20:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:20:14,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-16 02:20:14,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:20:14,912 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:20:14,912 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:20:15,093 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:20:15,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872977738] provided 0 perfect and 2 imperfect interpolant sequences [2021-10-16 02:20:15,094 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2021-10-16 02:20:15,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 14 [2021-10-16 02:20:15,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774141041] [2021-10-16 02:20:15,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-10-16 02:20:15,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:20:15,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-16 02:20:15,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-10-16 02:20:15,099 INFO L87 Difference]: Start difference. First operand 300 states and 388 transitions. Second operand has 14 states, 14 states have (on average 14.071428571428571) internal successors, (197), 14 states have internal predecessors, (197), 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) [2021-10-16 02:20:23,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:20:23,786 INFO L93 Difference]: Finished difference Result 561 states and 732 transitions. [2021-10-16 02:20:23,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-10-16 02:20:23,789 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 14.071428571428571) internal successors, (197), 14 states have internal predecessors, (197), 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 63 [2021-10-16 02:20:23,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:20:23,789 INFO L225 Difference]: With dead ends: 561 [2021-10-16 02:20:23,789 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 02:20:23,791 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 478.2ms TimeCoverageRelationStatistics Valid=252, Invalid=804, Unknown=0, NotChecked=0, Total=1056 [2021-10-16 02:20:23,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 02:20:23,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 02:20:23,791 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) [2021-10-16 02:20:23,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 02:20:23,791 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2021-10-16 02:20:23,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:20:23,791 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 02:20:23,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 14.071428571428571) internal successors, (197), 14 states have internal predecessors, (197), 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) [2021-10-16 02:20:23,792 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 02:20:23,792 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 02:20:23,794 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:20:23,795 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:20:23,795 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:20:23,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2021-10-16 02:20:24,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2021-10-16 02:20:24,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-10-16 02:20:24,405 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:20:24,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 02:20:24,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:24,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:24,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:24,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:24,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:24,573 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:24,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:24,579 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:24,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:24,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:24,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:24,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:24,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:24,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:24,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:24,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:24,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:24,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:24,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:24,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,128 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,152 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,153 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,314 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,315 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,537 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,541 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,542 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,543 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,544 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,545 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,546 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,547 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,686 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,687 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,689 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,690 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,691 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:25,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:20:29,077 INFO L853 garLoopResultBuilder]: At program point L960(lines 955 963) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~systemActive~0 (_ bv1 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-16 02:20:29,077 INFO L853 garLoopResultBuilder]: At program point L960-1(lines 955 963) the Hoare annotation is: false [2021-10-16 02:20:29,077 INFO L857 garLoopResultBuilder]: For program point L894(lines 894 901) no Hoare annotation was computed. [2021-10-16 02:20:29,077 INFO L853 garLoopResultBuilder]: At program point L960-2(lines 955 963) the Hoare annotation is: false [2021-10-16 02:20:29,077 INFO L860 garLoopResultBuilder]: At program point L894-1(lines 894 901) the Hoare annotation is: true [2021-10-16 02:20:29,078 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 912) no Hoare annotation was computed. [2021-10-16 02:20:29,078 INFO L853 garLoopResultBuilder]: At program point L630(lines 615 633) the Hoare annotation is: false [2021-10-16 02:20:29,078 INFO L853 garLoopResultBuilder]: At program point L630-1(lines 615 633) the Hoare annotation is: false [2021-10-16 02:20:29,078 INFO L853 garLoopResultBuilder]: At program point L630-2(lines 615 633) the Hoare annotation is: false [2021-10-16 02:20:29,078 INFO L853 garLoopResultBuilder]: At program point L630-3(lines 615 633) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~6 (_ bv0 32))) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 (_ bv0 32)) .cse1 (= |ULTIMATE.start_isHighWaterLevel_#res| (_ bv0 32)) (= ~waterLevel~0 (_ bv1 32)) .cse2))) [2021-10-16 02:20:29,078 INFO L853 garLoopResultBuilder]: At program point L630-4(lines 615 633) the Hoare annotation is: false [2021-10-16 02:20:29,078 INFO L853 garLoopResultBuilder]: At program point L630-5(lines 615 633) the Hoare annotation is: false [2021-10-16 02:20:29,078 INFO L853 garLoopResultBuilder]: At program point L630-6(lines 615 633) the Hoare annotation is: false [2021-10-16 02:20:29,078 INFO L853 garLoopResultBuilder]: At program point L630-7(lines 615 633) the Hoare annotation is: false [2021-10-16 02:20:29,079 INFO L853 garLoopResultBuilder]: At program point L630-8(lines 615 633) the Hoare annotation is: false [2021-10-16 02:20:29,079 INFO L853 garLoopResultBuilder]: At program point L630-9(lines 615 633) the Hoare annotation is: false [2021-10-16 02:20:29,079 INFO L853 garLoopResultBuilder]: At program point L630-10(lines 615 633) the Hoare annotation is: false [2021-10-16 02:20:29,079 INFO L853 garLoopResultBuilder]: At program point L630-11(lines 615 633) the Hoare annotation is: false [2021-10-16 02:20:29,079 INFO L853 garLoopResultBuilder]: At program point L566(lines 559 569) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= ~systemActive~0 (_ bv1 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-16 02:20:29,079 INFO L853 garLoopResultBuilder]: At program point L566-1(lines 559 569) the Hoare annotation is: false [2021-10-16 02:20:29,079 INFO L857 garLoopResultBuilder]: For program point L500(lines 500 508) no Hoare annotation was computed. [2021-10-16 02:20:29,079 INFO L853 garLoopResultBuilder]: At program point L566-2(lines 559 569) the Hoare annotation is: false [2021-10-16 02:20:29,080 INFO L857 garLoopResultBuilder]: For program point L500-1(lines 500 508) no Hoare annotation was computed. [2021-10-16 02:20:29,080 INFO L857 garLoopResultBuilder]: For program point L500-2(lines 500 508) no Hoare annotation was computed. [2021-10-16 02:20:29,080 INFO L857 garLoopResultBuilder]: For program point L500-3(lines 500 508) no Hoare annotation was computed. [2021-10-16 02:20:29,080 INFO L857 garLoopResultBuilder]: For program point L500-4(lines 500 508) no Hoare annotation was computed. [2021-10-16 02:20:29,080 INFO L857 garLoopResultBuilder]: For program point L500-5(lines 500 508) no Hoare annotation was computed. [2021-10-16 02:20:29,080 INFO L857 garLoopResultBuilder]: For program point L470(lines 470 487) no Hoare annotation was computed. [2021-10-16 02:20:29,080 INFO L857 garLoopResultBuilder]: For program point L470-1(lines 470 487) no Hoare annotation was computed. [2021-10-16 02:20:29,080 INFO L857 garLoopResultBuilder]: For program point L470-2(lines 470 487) no Hoare annotation was computed. [2021-10-16 02:20:29,081 INFO L857 garLoopResultBuilder]: For program point L470-3(lines 470 487) no Hoare annotation was computed. [2021-10-16 02:20:29,081 INFO L857 garLoopResultBuilder]: For program point L470-4(lines 470 487) no Hoare annotation was computed. [2021-10-16 02:20:29,081 INFO L857 garLoopResultBuilder]: For program point L470-5(lines 470 487) no Hoare annotation was computed. [2021-10-16 02:20:29,081 INFO L857 garLoopResultBuilder]: For program point L470-6(lines 470 487) no Hoare annotation was computed. [2021-10-16 02:20:29,081 INFO L857 garLoopResultBuilder]: For program point L470-7(lines 470 487) no Hoare annotation was computed. [2021-10-16 02:20:29,081 INFO L857 garLoopResultBuilder]: For program point L470-8(lines 470 487) no Hoare annotation was computed. [2021-10-16 02:20:29,081 INFO L857 garLoopResultBuilder]: For program point L470-9(lines 470 487) no Hoare annotation was computed. [2021-10-16 02:20:29,081 INFO L857 garLoopResultBuilder]: For program point L470-10(lines 470 487) no Hoare annotation was computed. [2021-10-16 02:20:29,082 INFO L857 garLoopResultBuilder]: For program point L470-11(lines 470 487) no Hoare annotation was computed. [2021-10-16 02:20:29,082 INFO L853 garLoopResultBuilder]: At program point L768(lines 763 770) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 02:20:29,082 INFO L857 garLoopResultBuilder]: For program point L735(lines 735 746) no Hoare annotation was computed. [2021-10-16 02:20:29,082 INFO L853 garLoopResultBuilder]: At program point L438(lines 434 456) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= ~waterLevel~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 (= ~switchedOnBeforeTS~0 (_ bv1 32)) .cse3 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse1 .cse3 .cse2))) [2021-10-16 02:20:29,082 INFO L853 garLoopResultBuilder]: At program point L438-1(lines 434 456) the Hoare annotation is: false [2021-10-16 02:20:29,082 INFO L853 garLoopResultBuilder]: At program point L438-2(lines 434 456) the Hoare annotation is: false [2021-10-16 02:20:29,082 INFO L857 garLoopResultBuilder]: For program point L1000(lines 1000 1006) no Hoare annotation was computed. [2021-10-16 02:20:29,083 INFO L857 garLoopResultBuilder]: For program point L1000-1(lines 1000 1006) no Hoare annotation was computed. [2021-10-16 02:20:29,083 INFO L857 garLoopResultBuilder]: For program point L1000-2(lines 1000 1006) no Hoare annotation was computed. [2021-10-16 02:20:29,083 INFO L857 garLoopResultBuilder]: For program point L1000-3(lines 1000 1006) no Hoare annotation was computed. [2021-10-16 02:20:29,083 INFO L857 garLoopResultBuilder]: For program point L1000-4(lines 1000 1006) no Hoare annotation was computed. [2021-10-16 02:20:29,083 INFO L857 garLoopResultBuilder]: For program point L1000-5(lines 1000 1006) no Hoare annotation was computed. [2021-10-16 02:20:29,083 INFO L857 garLoopResultBuilder]: For program point L1000-6(lines 1000 1006) no Hoare annotation was computed. [2021-10-16 02:20:29,083 INFO L857 garLoopResultBuilder]: For program point L1000-7(lines 1000 1006) no Hoare annotation was computed. [2021-10-16 02:20:29,083 INFO L857 garLoopResultBuilder]: For program point L1000-8(lines 1000 1006) no Hoare annotation was computed. [2021-10-16 02:20:29,084 INFO L857 garLoopResultBuilder]: For program point L1000-9(lines 1000 1006) no Hoare annotation was computed. [2021-10-16 02:20:29,084 INFO L857 garLoopResultBuilder]: For program point L1000-10(lines 1000 1006) no Hoare annotation was computed. [2021-10-16 02:20:29,084 INFO L857 garLoopResultBuilder]: For program point L1000-11(lines 1000 1006) no Hoare annotation was computed. [2021-10-16 02:20:29,084 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 912) no Hoare annotation was computed. [2021-10-16 02:20:29,084 INFO L857 garLoopResultBuilder]: For program point L935(lines 935 939) no Hoare annotation was computed. [2021-10-16 02:20:29,084 INFO L860 garLoopResultBuilder]: At program point L903(lines 884 906) the Hoare annotation is: true [2021-10-16 02:20:29,084 INFO L853 garLoopResultBuilder]: At program point L870(lines 866 872) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 02:20:29,085 INFO L857 garLoopResultBuilder]: For program point L474(lines 474 482) no Hoare annotation was computed. [2021-10-16 02:20:29,085 INFO L857 garLoopResultBuilder]: For program point L474-1(lines 474 482) no Hoare annotation was computed. [2021-10-16 02:20:29,085 INFO L857 garLoopResultBuilder]: For program point L474-2(lines 474 482) no Hoare annotation was computed. [2021-10-16 02:20:29,085 INFO L857 garLoopResultBuilder]: For program point L474-3(lines 474 482) no Hoare annotation was computed. [2021-10-16 02:20:29,085 INFO L857 garLoopResultBuilder]: For program point L474-4(lines 474 482) no Hoare annotation was computed. [2021-10-16 02:20:29,085 INFO L857 garLoopResultBuilder]: For program point L474-5(lines 474 482) no Hoare annotation was computed. [2021-10-16 02:20:29,085 INFO L857 garLoopResultBuilder]: For program point L474-6(lines 474 482) no Hoare annotation was computed. [2021-10-16 02:20:29,085 INFO L857 garLoopResultBuilder]: For program point L474-7(lines 474 482) no Hoare annotation was computed. [2021-10-16 02:20:29,085 INFO L857 garLoopResultBuilder]: For program point L474-8(lines 474 482) no Hoare annotation was computed. [2021-10-16 02:20:29,086 INFO L857 garLoopResultBuilder]: For program point L474-9(lines 474 482) no Hoare annotation was computed. [2021-10-16 02:20:29,086 INFO L857 garLoopResultBuilder]: For program point L474-10(lines 474 482) no Hoare annotation was computed. [2021-10-16 02:20:29,086 INFO L857 garLoopResultBuilder]: For program point L474-11(lines 474 482) no Hoare annotation was computed. [2021-10-16 02:20:29,086 INFO L857 garLoopResultBuilder]: For program point L706(lines 705 750) no Hoare annotation was computed. [2021-10-16 02:20:29,086 INFO L857 garLoopResultBuilder]: For program point L707(lines 707 711) no Hoare annotation was computed. [2021-10-16 02:20:29,086 INFO L853 garLoopResultBuilder]: At program point L575(lines 570 578) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse2 (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) (and .cse0 .cse4 .cse1 .cse2 .cse3))) [2021-10-16 02:20:29,086 INFO L853 garLoopResultBuilder]: At program point L575-1(lines 570 578) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|) (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 02:20:29,087 INFO L853 garLoopResultBuilder]: At program point L575-2(lines 570 578) the Hoare annotation is: false [2021-10-16 02:20:29,087 INFO L853 garLoopResultBuilder]: At program point L575-3(lines 570 578) the Hoare annotation is: false [2021-10-16 02:20:29,087 INFO L853 garLoopResultBuilder]: At program point L575-4(lines 570 578) the Hoare annotation is: false [2021-10-16 02:20:29,087 INFO L853 garLoopResultBuilder]: At program point L575-5(lines 570 578) the Hoare annotation is: false [2021-10-16 02:20:29,087 INFO L853 garLoopResultBuilder]: At program point L1005(lines 996 1009) the Hoare annotation is: false [2021-10-16 02:20:29,087 INFO L853 garLoopResultBuilder]: At program point L1005-1(lines 996 1009) the Hoare annotation is: false [2021-10-16 02:20:29,087 INFO L853 garLoopResultBuilder]: At program point L1005-2(lines 996 1009) the Hoare annotation is: false [2021-10-16 02:20:29,088 INFO L853 garLoopResultBuilder]: At program point L1005-3(lines 996 1009) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse1 (= ~systemActive~0 (_ bv1 32))) (.cse2 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= ~waterLevel~0 (_ bv2 32)) .cse1 .cse2) (and .cse0 (= (_ bv1 32) |ULTIMATE.start_isHighWaterSensorDry_#res|) .cse1 (= ~waterLevel~0 (_ bv1 32)) .cse2))) [2021-10-16 02:20:29,088 INFO L853 garLoopResultBuilder]: At program point L1005-4(lines 996 1009) the Hoare annotation is: false [2021-10-16 02:20:29,088 INFO L853 garLoopResultBuilder]: At program point L1005-5(lines 996 1009) the Hoare annotation is: false [2021-10-16 02:20:29,088 INFO L853 garLoopResultBuilder]: At program point L1005-6(lines 996 1009) the Hoare annotation is: false [2021-10-16 02:20:29,088 INFO L853 garLoopResultBuilder]: At program point L1005-7(lines 996 1009) the Hoare annotation is: false [2021-10-16 02:20:29,088 INFO L857 garLoopResultBuilder]: For program point L741(lines 741 745) no Hoare annotation was computed. [2021-10-16 02:20:29,088 INFO L853 garLoopResultBuilder]: At program point L1005-8(lines 996 1009) the Hoare annotation is: false [2021-10-16 02:20:29,088 INFO L853 garLoopResultBuilder]: At program point L1005-9(lines 996 1009) the Hoare annotation is: false [2021-10-16 02:20:29,089 INFO L857 garLoopResultBuilder]: For program point L741-2(lines 735 746) no Hoare annotation was computed. [2021-10-16 02:20:29,089 INFO L853 garLoopResultBuilder]: At program point L1005-10(lines 996 1009) the Hoare annotation is: false [2021-10-16 02:20:29,089 INFO L853 garLoopResultBuilder]: At program point L1005-11(lines 996 1009) the Hoare annotation is: false [2021-10-16 02:20:29,089 INFO L857 garLoopResultBuilder]: For program point L643(lines 643 647) no Hoare annotation was computed. [2021-10-16 02:20:29,089 INFO L857 garLoopResultBuilder]: For program point L643-2(lines 643 647) no Hoare annotation was computed. [2021-10-16 02:20:29,089 INFO L857 garLoopResultBuilder]: For program point L643-3(lines 643 647) no Hoare annotation was computed. [2021-10-16 02:20:29,089 INFO L857 garLoopResultBuilder]: For program point L643-5(lines 643 647) no Hoare annotation was computed. [2021-10-16 02:20:29,089 INFO L853 garLoopResultBuilder]: At program point L445(lines 445 451) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))) [2021-10-16 02:20:29,090 INFO L857 garLoopResultBuilder]: For program point L643-6(lines 643 647) no Hoare annotation was computed. [2021-10-16 02:20:29,090 INFO L853 garLoopResultBuilder]: At program point L445-1(lines 445 451) the Hoare annotation is: false [2021-10-16 02:20:29,090 INFO L857 garLoopResultBuilder]: For program point L643-8(lines 643 647) no Hoare annotation was computed. [2021-10-16 02:20:29,090 INFO L853 garLoopResultBuilder]: At program point L445-2(lines 445 451) the Hoare annotation is: false [2021-10-16 02:20:29,090 INFO L857 garLoopResultBuilder]: For program point L643-9(lines 643 647) no Hoare annotation was computed. [2021-10-16 02:20:29,090 INFO L857 garLoopResultBuilder]: For program point L643-11(lines 643 647) no Hoare annotation was computed. [2021-10-16 02:20:29,090 INFO L857 garLoopResultBuilder]: For program point L643-12(lines 643 647) no Hoare annotation was computed. [2021-10-16 02:20:29,090 INFO L857 garLoopResultBuilder]: For program point L643-14(lines 643 647) no Hoare annotation was computed. [2021-10-16 02:20:29,090 INFO L857 garLoopResultBuilder]: For program point L643-15(lines 643 647) no Hoare annotation was computed. [2021-10-16 02:20:29,091 INFO L857 garLoopResultBuilder]: For program point L643-17(lines 643 647) no Hoare annotation was computed. [2021-10-16 02:20:29,091 INFO L853 garLoopResultBuilder]: At program point L778(lines 438 444) the Hoare annotation is: (let ((.cse1 (= (_ bv0 32) |ULTIMATE.start_isPumpRunning_#res|)) (.cse3 (= (_ bv0 32) ~pumpRunning~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse4 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= ~systemActive~0 (_ bv1 32)))) (or (and .cse0 .cse1 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3) (and .cse0 .cse4 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse4 .cse2 (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)))) [2021-10-16 02:20:29,091 INFO L853 garLoopResultBuilder]: At program point L778-1(lines 438 444) the Hoare annotation is: false [2021-10-16 02:20:29,091 INFO L853 garLoopResultBuilder]: At program point L778-2(lines 438 444) the Hoare annotation is: false [2021-10-16 02:20:29,091 INFO L853 garLoopResultBuilder]: At program point L679(lines 1 1018) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 02:20:29,091 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 02:20:29,091 INFO L857 garLoopResultBuilder]: For program point L912(line 912) no Hoare annotation was computed. [2021-10-16 02:20:29,091 INFO L857 garLoopResultBuilder]: For program point L912-1(line 912) no Hoare annotation was computed. [2021-10-16 02:20:29,092 INFO L857 garLoopResultBuilder]: For program point L912-2(line 912) no Hoare annotation was computed. [2021-10-16 02:20:29,092 INFO L857 garLoopResultBuilder]: For program point L715(lines 715 721) no Hoare annotation was computed. [2021-10-16 02:20:29,092 INFO L853 garLoopResultBuilder]: At program point L715-1(lines 715 721) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))) [2021-10-16 02:20:29,092 INFO L853 garLoopResultBuilder]: At program point L649(lines 634 652) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp~7 (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= |ULTIMATE.start_isLowWaterLevel_#res| (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= ULTIMATE.start_isLowWaterLevel_~tmp___0~1 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-16 02:20:29,092 INFO L853 garLoopResultBuilder]: At program point L649-1(lines 634 652) the Hoare annotation is: false [2021-10-16 02:20:29,092 INFO L853 garLoopResultBuilder]: At program point L649-2(lines 634 652) the Hoare annotation is: false [2021-10-16 02:20:29,092 INFO L853 garLoopResultBuilder]: At program point L649-3(lines 634 652) the Hoare annotation is: false [2021-10-16 02:20:29,093 INFO L853 garLoopResultBuilder]: At program point L649-4(lines 634 652) the Hoare annotation is: false [2021-10-16 02:20:29,093 INFO L853 garLoopResultBuilder]: At program point L649-5(lines 634 652) the Hoare annotation is: false [2021-10-16 02:20:29,093 INFO L857 garLoopResultBuilder]: For program point L947(lines 947 951) no Hoare annotation was computed. [2021-10-16 02:20:29,093 INFO L853 garLoopResultBuilder]: At program point L1015(lines 1010 1018) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32)) (= (_ bv1 32) ~pumpRunning~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| (_ bv0 32)) (= ~systemActive~0 (_ bv1 32)) (= ~switchedOnBeforeTS~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv1 32) |ULTIMATE.start_isPumpRunning_#res|)) [2021-10-16 02:20:29,093 INFO L853 garLoopResultBuilder]: At program point L1015-1(lines 1010 1018) the Hoare annotation is: false [2021-10-16 02:20:29,093 INFO L853 garLoopResultBuilder]: At program point L1015-2(lines 1010 1018) the Hoare annotation is: false [2021-10-16 02:20:29,093 INFO L853 garLoopResultBuilder]: At program point L1015-3(lines 1010 1018) the Hoare annotation is: false [2021-10-16 02:20:29,093 INFO L853 garLoopResultBuilder]: At program point L1015-4(lines 1010 1018) the Hoare annotation is: false [2021-10-16 02:20:29,094 INFO L853 garLoopResultBuilder]: At program point L1015-5(lines 1010 1018) the Hoare annotation is: false [2021-10-16 02:20:29,094 INFO L853 garLoopResultBuilder]: At program point L751(lines 704 752) the Hoare annotation is: false [2021-10-16 02:20:29,094 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 02:20:29,094 INFO L853 garLoopResultBuilder]: At program point L687(lines 682 690) the Hoare annotation is: (and (= ~systemActive~0 (_ bv1 32)) (= ~waterLevel~0 (_ bv1 32)) (= (_ bv0 32) ~pumpRunning~0)) [2021-10-16 02:20:29,094 INFO L857 garLoopResultBuilder]: For program point L522(lines 522 539) no Hoare annotation was computed. [2021-10-16 02:20:29,094 INFO L857 garLoopResultBuilder]: For program point L522-1(lines 522 539) no Hoare annotation was computed. [2021-10-16 02:20:29,094 INFO L857 garLoopResultBuilder]: For program point L522-2(lines 522 539) no Hoare annotation was computed. [2021-10-16 02:20:29,094 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-16 02:20:29,095 INFO L857 garLoopResultBuilder]: For program point L789(lines 789 806) no Hoare annotation was computed. [2021-10-16 02:20:29,095 INFO L853 garLoopResultBuilder]: At program point L789-1(lines 1 1018) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse2 (= (_ bv2 32) ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9)) (.cse4 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse3 (= ~systemActive~0 (_ bv1 32))) (.cse5 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse3 (= ~waterLevel~0 (_ bv1 32)) .cse5))) [2021-10-16 02:20:29,095 INFO L853 garLoopResultBuilder]: At program point L822-2(lines 822 836) the Hoare annotation is: false [2021-10-16 02:20:29,095 INFO L857 garLoopResultBuilder]: For program point L789-2(lines 789 806) no Hoare annotation was computed. [2021-10-16 02:20:29,095 INFO L853 garLoopResultBuilder]: At program point L789-3(lines 1 1018) the Hoare annotation is: false [2021-10-16 02:20:29,095 INFO L857 garLoopResultBuilder]: For program point L789-4(lines 789 806) no Hoare annotation was computed. [2021-10-16 02:20:29,095 INFO L857 garLoopResultBuilder]: For program point L624(lines 624 628) no Hoare annotation was computed. [2021-10-16 02:20:29,095 INFO L853 garLoopResultBuilder]: At program point L789-5(lines 1 1018) the Hoare annotation is: false [2021-10-16 02:20:29,095 INFO L857 garLoopResultBuilder]: For program point L624-2(lines 624 628) no Hoare annotation was computed. [2021-10-16 02:20:29,096 INFO L857 garLoopResultBuilder]: For program point L624-3(lines 624 628) no Hoare annotation was computed. [2021-10-16 02:20:29,096 INFO L857 garLoopResultBuilder]: For program point L624-5(lines 624 628) no Hoare annotation was computed. [2021-10-16 02:20:29,096 INFO L857 garLoopResultBuilder]: For program point L624-6(lines 624 628) no Hoare annotation was computed. [2021-10-16 02:20:29,096 INFO L857 garLoopResultBuilder]: For program point L624-8(lines 624 628) no Hoare annotation was computed. [2021-10-16 02:20:29,096 INFO L857 garLoopResultBuilder]: For program point L624-9(lines 624 628) no Hoare annotation was computed. [2021-10-16 02:20:29,096 INFO L857 garLoopResultBuilder]: For program point L624-11(lines 624 628) no Hoare annotation was computed. [2021-10-16 02:20:29,096 INFO L857 garLoopResultBuilder]: For program point L624-12(lines 624 628) no Hoare annotation was computed. [2021-10-16 02:20:29,096 INFO L857 garLoopResultBuilder]: For program point L624-14(lines 624 628) no Hoare annotation was computed. [2021-10-16 02:20:29,096 INFO L857 garLoopResultBuilder]: For program point L624-15(lines 624 628) no Hoare annotation was computed. [2021-10-16 02:20:29,097 INFO L857 garLoopResultBuilder]: For program point L624-17(lines 624 628) no Hoare annotation was computed. [2021-10-16 02:20:29,097 INFO L857 garLoopResultBuilder]: For program point L624-18(lines 624 628) no Hoare annotation was computed. [2021-10-16 02:20:29,097 INFO L857 garLoopResultBuilder]: For program point L624-20(lines 624 628) no Hoare annotation was computed. [2021-10-16 02:20:29,097 INFO L857 garLoopResultBuilder]: For program point L624-21(lines 624 628) no Hoare annotation was computed. [2021-10-16 02:20:29,097 INFO L857 garLoopResultBuilder]: For program point L624-23(lines 624 628) no Hoare annotation was computed. [2021-10-16 02:20:29,097 INFO L857 garLoopResultBuilder]: For program point L624-24(lines 624 628) no Hoare annotation was computed. [2021-10-16 02:20:29,097 INFO L857 garLoopResultBuilder]: For program point L823(line 823) no Hoare annotation was computed. [2021-10-16 02:20:29,097 INFO L857 garLoopResultBuilder]: For program point L624-26(lines 624 628) no Hoare annotation was computed. [2021-10-16 02:20:29,097 INFO L857 garLoopResultBuilder]: For program point L624-27(lines 624 628) no Hoare annotation was computed. [2021-10-16 02:20:29,098 INFO L857 garLoopResultBuilder]: For program point L624-29(lines 624 628) no Hoare annotation was computed. [2021-10-16 02:20:29,098 INFO L857 garLoopResultBuilder]: For program point L624-30(lines 624 628) no Hoare annotation was computed. [2021-10-16 02:20:29,098 INFO L857 garLoopResultBuilder]: For program point L624-32(lines 624 628) no Hoare annotation was computed. [2021-10-16 02:20:29,098 INFO L857 garLoopResultBuilder]: For program point L624-33(lines 624 628) no Hoare annotation was computed. [2021-10-16 02:20:29,098 INFO L857 garLoopResultBuilder]: For program point L526(lines 526 534) no Hoare annotation was computed. [2021-10-16 02:20:29,098 INFO L857 garLoopResultBuilder]: For program point L526-1(lines 526 534) no Hoare annotation was computed. [2021-10-16 02:20:29,098 INFO L857 garLoopResultBuilder]: For program point L624-35(lines 624 628) no Hoare annotation was computed. [2021-10-16 02:20:29,098 INFO L857 garLoopResultBuilder]: For program point L526-2(lines 526 534) no Hoare annotation was computed. [2021-10-16 02:20:29,098 INFO L857 garLoopResultBuilder]: For program point L923(lines 923 927) no Hoare annotation was computed. [2021-10-16 02:20:29,099 INFO L857 garLoopResultBuilder]: For program point L923-3(lines 923 927) no Hoare annotation was computed. [2021-10-16 02:20:29,099 INFO L857 garLoopResultBuilder]: For program point L725(lines 725 731) no Hoare annotation was computed. [2021-10-16 02:20:29,099 INFO L857 garLoopResultBuilder]: For program point L923-6(lines 923 927) no Hoare annotation was computed. [2021-10-16 02:20:29,099 INFO L853 garLoopResultBuilder]: At program point L725-1(lines 725 731) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse3 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse3))) [2021-10-16 02:20:29,099 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-16 02:20:29,099 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 912) no Hoare annotation was computed. [2021-10-16 02:20:29,099 INFO L857 garLoopResultBuilder]: For program point L826(lines 826 830) no Hoare annotation was computed. [2021-10-16 02:20:29,099 INFO L857 garLoopResultBuilder]: For program point L793(lines 793 803) no Hoare annotation was computed. [2021-10-16 02:20:29,100 INFO L857 garLoopResultBuilder]: For program point L826-1(lines 826 830) no Hoare annotation was computed. [2021-10-16 02:20:29,100 INFO L857 garLoopResultBuilder]: For program point L793-2(lines 793 803) no Hoare annotation was computed. [2021-10-16 02:20:29,100 INFO L857 garLoopResultBuilder]: For program point L793-4(lines 793 803) no Hoare annotation was computed. [2021-10-16 02:20:29,100 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 513) no Hoare annotation was computed. [2021-10-16 02:20:29,100 INFO L857 garLoopResultBuilder]: For program point L496-1(lines 496 513) no Hoare annotation was computed. [2021-10-16 02:20:29,100 INFO L857 garLoopResultBuilder]: For program point L496-2(lines 496 513) no Hoare annotation was computed. [2021-10-16 02:20:29,100 INFO L857 garLoopResultBuilder]: For program point L496-3(lines 496 513) no Hoare annotation was computed. [2021-10-16 02:20:29,100 INFO L857 garLoopResultBuilder]: For program point L496-4(lines 496 513) no Hoare annotation was computed. [2021-10-16 02:20:29,100 INFO L857 garLoopResultBuilder]: For program point L496-5(lines 496 513) no Hoare annotation was computed. [2021-10-16 02:20:29,101 INFO L853 garLoopResultBuilder]: At program point L992(lines 987 995) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 (_ bv2 32))) (.cse3 (= (_ bv2 32) |ULTIMATE.start_getWaterLevel_#res|)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 (_ bv0 32))) (.cse2 (= ~systemActive~0 (_ bv1 32))) (.cse4 (= (_ bv0 32) ~pumpRunning~0))) (or (and .cse0 (= (_ bv1 32) ~pumpRunning~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 (= ~waterLevel~0 (_ bv1 32)) .cse4))) [2021-10-16 02:20:29,101 INFO L853 garLoopResultBuilder]: At program point L992-1(lines 987 995) the Hoare annotation is: false [2021-10-16 02:20:29,101 INFO L853 garLoopResultBuilder]: At program point L992-2(lines 987 995) the Hoare annotation is: false [2021-10-16 02:20:29,101 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 800) no Hoare annotation was computed. [2021-10-16 02:20:29,101 INFO L857 garLoopResultBuilder]: For program point L794-2(lines 794 800) no Hoare annotation was computed. [2021-10-16 02:20:29,101 INFO L857 garLoopResultBuilder]: For program point L794-4(lines 794 800) no Hoare annotation was computed. [2021-10-16 02:20:29,106 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:20:29,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:20:29 BoogieIcfgContainer [2021-10-16 02:20:29,152 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:20:29,152 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:20:29,153 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:20:29,153 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:20:29,153 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:20:02" (3/4) ... [2021-10-16 02:20:29,157 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 02:20:29,186 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-16 02:20:29,189 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-16 02:20:29,191 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-16 02:20:29,193 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-16 02:20:29,195 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-16 02:20:29,197 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:20:29,199 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:20:29,229 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && 2bv32 == tmp) && systemActive == 1bv32) && 2bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 02:20:29,231 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 02:20:29,231 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) [2021-10-16 02:20:29,232 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 02:20:29,233 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 02:20:29,234 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result [2021-10-16 02:20:29,235 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result [2021-10-16 02:20:29,236 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning [2021-10-16 02:20:29,236 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 02:20:29,238 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) [2021-10-16 02:20:29,239 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result [2021-10-16 02:20:29,240 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && 1bv32 == \result [2021-10-16 02:20:29,328 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 02:20:29,329 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:20:29,330 INFO L168 Benchmark]: Toolchain (without parser) took 30592.02 ms. Allocated memory was 62.9 MB in the beginning and 94.4 MB in the end (delta: 31.5 MB). Free memory was 41.0 MB in the beginning and 24.0 MB in the end (delta: 17.0 MB). Peak memory consumption was 47.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:20:29,331 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 62.9 MB. Free memory is still 42.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:20:29,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 667.11 ms. Allocated memory is still 62.9 MB. Free memory was 40.8 MB in the beginning and 30.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:20:29,332 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.12 ms. Allocated memory is still 62.9 MB. Free memory was 30.2 MB in the beginning and 25.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:20:29,332 INFO L168 Benchmark]: Boogie Preprocessor took 73.65 ms. Allocated memory is still 62.9 MB. Free memory was 25.2 MB in the beginning and 42.4 MB in the end (delta: -17.2 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:20:29,333 INFO L168 Benchmark]: RCFGBuilder took 2865.07 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 42.4 MB in the beginning and 34.9 MB in the end (delta: 7.5 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. [2021-10-16 02:20:29,333 INFO L168 Benchmark]: TraceAbstraction took 26684.58 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 34.5 MB in the beginning and 39.7 MB in the end (delta: -5.2 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:20:29,334 INFO L168 Benchmark]: Witness Printer took 176.29 ms. Allocated memory is still 94.4 MB. Free memory was 39.7 MB in the beginning and 24.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-16 02:20:29,336 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 62.9 MB. Free memory is still 42.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 667.11 ms. Allocated memory is still 62.9 MB. Free memory was 40.8 MB in the beginning and 30.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 118.12 ms. Allocated memory is still 62.9 MB. Free memory was 30.2 MB in the beginning and 25.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 73.65 ms. Allocated memory is still 62.9 MB. Free memory was 25.2 MB in the beginning and 42.4 MB in the end (delta: -17.2 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2865.07 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 42.4 MB in the beginning and 34.9 MB in the end (delta: 7.5 MB). Peak memory consumption was 27.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 26684.58 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 34.5 MB in the beginning and 39.7 MB in the end (delta: -5.2 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. * Witness Printer took 176.29 ms. Allocated memory is still 94.4 MB. Free memory was 39.7 MB in the beginning and 24.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 912]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 912]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 912]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 26557.4ms, OverallIterations: 11, TraceHistogramMax: 2, EmptinessCheckTime: 45.7ms, AutomataDifference: 11226.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 4671.5ms, InitialAbstractionConstructionTime: 19.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1607 SDtfs, 2148 SDslu, 3631 SDs, 0 SdLazy, 580 SolverSat, 100 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9951.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1075 GetRequests, 1003 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 735.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=300occurred in iteration=10, InterpolantAutomatonStates: 74, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 261.1ms AutomataMinimizationTime, 11 MinimizatonAttempts, 980 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 73 LocationsWithAnnotation, 73 PreInvPairs, 171 NumberOfFragments, 633 HoareAnnotationTreeSize, 73 FomulaSimplifications, 446672 FormulaSimplificationTreeSizeReduction, 1355.0ms HoareSimplificationTime, 73 FomulaSimplificationsInter, 79331 FormulaSimplificationTreeSizeReductionInter, 3300.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 334.6ms SsaConstructionTime, 1480.1ms SatisfiabilityAnalysisTime, 3682.3ms InterpolantComputationTime, 522 NumberOfCodeBlocks, 522 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1018 ConstructedInterpolants, 0 QuantifiedInterpolants, 2000 SizeOfPredicates, 26 NumberOfNonLiveVariables, 2899 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 26 InterpolantComputations, 20 PerfectInterpolantSequences, 104/128 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 3 specifications checked. All of them hold - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1010]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 1010]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 1bv32 == \result)) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 0bv32 == \result) && systemActive == 1bv32) && 0bv32 == pumpRunning)) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && 1bv32 == \result) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1010]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 704]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1010]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((splverifierCounter == 0bv32 && 1bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || ((((((splverifierCounter == 0bv32 && !(tmp == 0bv32)) && tmp___0 == 0bv32) && systemActive == 1bv32) && \result == 0bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0bv32 && 0bv32 == \result) && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 0bv32 == pumpRunning) || (((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && waterLevel == 1bv32) && 1bv32 == \result - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1010]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: (systemActive == 1bv32 && waterLevel == 1bv32) && 0bv32 == pumpRunning - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && 2bv32 == tmp) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning) || (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && 2bv32 == tmp) && systemActive == 1bv32) && 2bv32 == \result)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 955]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 570]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 822]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 634]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && \result == 0bv32) && tmp == 0bv32) && systemActive == 1bv32) && switchedOnBeforeTS == 1bv32) && \result == 1bv32) && waterLevel == 1bv32) && tmp___0 == 1bv32) && 1bv32 == \result - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1010]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 987]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0bv32 && 1bv32 == pumpRunning) && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) || ((((splverifierCounter == 0bv32 && waterLevel == 2bv32) && systemActive == 1bv32) && 2bv32 == \result) && 0bv32 == pumpRunning)) || (((splverifierCounter == 0bv32 && systemActive == 1bv32) && waterLevel == 1bv32) && 0bv32 == pumpRunning) RESULT: Ultimate proved your program to be correct! [2021-10-16 02:20:29,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6135a49a-2feb-4158-aa97-f1788d6f5162/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...