./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 98e7eedcdf033c8727ad68c9755fbd9406747e7d7f7209ac82b695f1bd3a1f81 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:48:43,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:48:43,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:48:43,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:48:43,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:48:43,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:48:43,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:48:43,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:48:43,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:48:43,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:48:43,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:48:43,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:48:43,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:48:43,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:48:43,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:48:43,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:48:43,630 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:48:43,631 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:48:43,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:48:43,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:48:43,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:48:43,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:48:43,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:48:43,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:48:43,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:48:43,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:48:43,664 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:48:43,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:48:43,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:48:43,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:48:43,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:48:43,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:48:43,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:48:43,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:48:43,677 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:48:43,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:48:43,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:48:43,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:48:43,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:48:43,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:48:43,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:48:43,683 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 11:48:43,728 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:48:43,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:48:43,730 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:48:43,730 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:48:43,731 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:48:43,732 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:48:43,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:48:43,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:48:43,734 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:48:43,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:48:43,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:48:43,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:48:43,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:48:43,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:48:43,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:48:43,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:48:43,738 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:48:43,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:48:43,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:48:43,739 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:48:43,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:48:43,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:48:43,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:48:43,741 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:48:43,741 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:48:43,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:48:43,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:48:43,742 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:48:43,743 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:48:43,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:48:43,744 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98e7eedcdf033c8727ad68c9755fbd9406747e7d7f7209ac82b695f1bd3a1f81 [2022-11-20 11:48:44,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:48:44,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:48:44,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:48:44,155 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:48:44,155 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:48:44,157 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c [2022-11-20 11:48:47,655 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:48:48,147 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:48:48,147 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c [2022-11-20 11:48:48,172 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/data/9054afdb1/affc5158de2847a8945e93b13c477407/FLAGf100bb65a [2022-11-20 11:48:48,189 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/data/9054afdb1/affc5158de2847a8945e93b13c477407 [2022-11-20 11:48:48,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:48:48,194 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:48:48,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:48:48,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:48:48,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:48:48,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:48:48" (1/1) ... [2022-11-20 11:48:48,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@118dcbe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:48, skipping insertion in model container [2022-11-20 11:48:48,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:48:48" (1/1) ... [2022-11-20 11:48:48,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:48:48,285 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:48:48,502 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c[1107,1120] [2022-11-20 11:48:48,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:48:48,980 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:48:48,993 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c[1107,1120] [2022-11-20 11:48:49,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:48:49,262 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:48:49,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:49 WrapperNode [2022-11-20 11:48:49,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:48:49,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:48:49,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:48:49,267 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:48:49,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:49" (1/1) ... [2022-11-20 11:48:49,341 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:49" (1/1) ... [2022-11-20 11:48:49,571 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2485 [2022-11-20 11:48:49,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:48:49,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:48:49,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:48:49,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:48:49,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:49" (1/1) ... [2022-11-20 11:48:49,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:49" (1/1) ... [2022-11-20 11:48:49,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:49" (1/1) ... [2022-11-20 11:48:49,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:49" (1/1) ... [2022-11-20 11:48:49,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:49" (1/1) ... [2022-11-20 11:48:49,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:49" (1/1) ... [2022-11-20 11:48:49,670 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:49" (1/1) ... [2022-11-20 11:48:49,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:49" (1/1) ... [2022-11-20 11:48:49,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:48:49,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:48:49,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:48:49,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:48:49,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:49" (1/1) ... [2022-11-20 11:48:49,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:48:49,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:48:49,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:48:49,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:48:49,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:48:49,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:48:50,474 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:48:50,476 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:51:18,482 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:51:18,489 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:51:18,490 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 11:51:18,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:51:18 BoogieIcfgContainer [2022-11-20 11:51:18,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:51:18,495 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:51:18,495 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:51:18,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:51:18,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:48:48" (1/3) ... [2022-11-20 11:51:18,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fea63ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:51:18, skipping insertion in model container [2022-11-20 11:51:18,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:48:49" (2/3) ... [2022-11-20 11:51:18,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fea63ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:51:18, skipping insertion in model container [2022-11-20 11:51:18,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:51:18" (3/3) ... [2022-11-20 11:51:18,502 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c [2022-11-20 11:51:18,523 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:51:18,523 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:51:18,573 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:51:18,580 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@17185dba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:51:18,580 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:51:18,584 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:51:18,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 11:51:18,591 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:51:18,591 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 11:51:18,592 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:51:18,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:51:18,598 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-20 11:51:18,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:51:18,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074445000] [2022-11-20 11:51:18,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:51:18,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:51:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:51:19,186 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 11:51:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 11:51:19,606 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 11:51:19,608 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 11:51:19,610 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 11:51:19,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:51:19,619 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-20 11:51:19,624 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 11:51:19,676 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 11:51:19,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 11:51:19 BoogieIcfgContainer [2022-11-20 11:51:19,704 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 11:51:19,707 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 11:51:19,707 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 11:51:19,707 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 11:51:19,708 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:51:18" (3/4) ... [2022-11-20 11:51:19,712 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 11:51:19,712 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 11:51:19,713 INFO L158 Benchmark]: Toolchain (without parser) took 151519.30ms. Allocated memory was 201.3MB in the beginning and 1.1GB in the end (delta: 861.9MB). Free memory was 165.9MB in the beginning and 520.6MB in the end (delta: -354.8MB). Peak memory consumption was 508.9MB. Max. memory is 16.1GB. [2022-11-20 11:51:19,714 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 148.9MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:51:19,715 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1069.73ms. Allocated memory is still 201.3MB. Free memory was 165.9MB in the beginning and 95.4MB in the end (delta: 70.5MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2022-11-20 11:51:19,717 INFO L158 Benchmark]: Boogie Procedure Inliner took 305.23ms. Allocated memory is still 201.3MB. Free memory was 95.4MB in the beginning and 150.5MB in the end (delta: -55.1MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2022-11-20 11:51:19,717 INFO L158 Benchmark]: Boogie Preprocessor took 135.23ms. Allocated memory is still 201.3MB. Free memory was 150.5MB in the beginning and 140.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 11:51:19,724 INFO L158 Benchmark]: RCFGBuilder took 148769.49ms. Allocated memory was 201.3MB in the beginning and 1.1GB in the end (delta: 861.9MB). Free memory was 140.0MB in the beginning and 602.4MB in the end (delta: -462.4MB). Peak memory consumption was 644.9MB. Max. memory is 16.1GB. [2022-11-20 11:51:19,726 INFO L158 Benchmark]: TraceAbstraction took 1209.86ms. Allocated memory is still 1.1GB. Free memory was 602.4MB in the beginning and 520.6MB in the end (delta: 81.8MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. [2022-11-20 11:51:19,727 INFO L158 Benchmark]: Witness Printer took 5.73ms. Allocated memory is still 1.1GB. Free memory is still 520.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:51:19,736 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 148.9MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1069.73ms. Allocated memory is still 201.3MB. Free memory was 165.9MB in the beginning and 95.4MB in the end (delta: 70.5MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 305.23ms. Allocated memory is still 201.3MB. Free memory was 95.4MB in the beginning and 150.5MB in the end (delta: -55.1MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 135.23ms. Allocated memory is still 201.3MB. Free memory was 150.5MB in the beginning and 140.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 148769.49ms. Allocated memory was 201.3MB in the beginning and 1.1GB in the end (delta: 861.9MB). Free memory was 140.0MB in the beginning and 602.4MB in the end (delta: -462.4MB). Peak memory consumption was 644.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1209.86ms. Allocated memory is still 1.1GB. Free memory was 602.4MB in the beginning and 520.6MB in the end (delta: 81.8MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. * Witness Printer took 5.73ms. Allocated memory is still 1.1GB. Free memory is still 520.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 372, overapproximation of bitwiseOr at line 346, overapproximation of bitwiseAnd at line 243. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 2); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (2 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L31] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 3); [L32] const SORT_6 msb_SORT_6 = (SORT_6)1 << (3 - 1); [L34] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 4); [L35] const SORT_12 msb_SORT_12 = (SORT_12)1 << (4 - 1); [L37] const SORT_16 mask_SORT_16 = (SORT_16)-1 >> (sizeof(SORT_16) * 8 - 8); [L38] const SORT_16 msb_SORT_16 = (SORT_16)1 << (8 - 1); [L40] const SORT_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 7); [L41] const SORT_21 msb_SORT_21 = (SORT_21)1 << (7 - 1); [L43] const SORT_21 var_22 = 1; [L44] const SORT_21 var_28 = 0; [L45] const SORT_21 var_32 = 2; [L46] const SORT_21 var_35 = 4; [L47] const SORT_21 var_38 = 64; [L48] const SORT_3 var_45 = 1; [L49] const SORT_3 var_49 = 0; [L50] const SORT_6 var_134 = 0; [L51] const SORT_21 var_728 = 8; [L52] const SORT_21 var_748 = 16; [L53] const SORT_21 var_763 = 32; [L55] SORT_1 input_2; [L56] SORT_3 input_4; [L57] SORT_3 input_5; [L58] SORT_6 input_7; [L59] SORT_3 input_8; [L60] SORT_3 input_9; [L61] SORT_3 input_10; [L62] SORT_3 input_11; [L63] SORT_12 input_13; [L64] SORT_3 input_14; [L65] SORT_3 input_15; [L66] SORT_16 input_17; [L67] SORT_3 input_18; [L68] SORT_3 input_19; [L69] SORT_3 input_20; [L70] SORT_3 input_356; [L71] SORT_3 input_378; [L72] SORT_3 input_393; [L73] SORT_3 input_408; [L74] SORT_3 input_423; [L75] SORT_3 input_438; [L76] SORT_3 input_453; [L77] SORT_3 input_468; [L78] SORT_3 input_483; [L79] SORT_3 input_498; [L80] SORT_3 input_513; [L81] SORT_3 input_528; [L82] SORT_3 input_543; [L83] SORT_3 input_558; [L84] SORT_3 input_573; [L85] SORT_3 input_588; [L86] SORT_3 input_604; [L87] SORT_3 input_606; [L88] SORT_3 input_608; [L89] SORT_3 input_610; [L90] SORT_3 input_612; [L91] SORT_3 input_614; [L92] SORT_3 input_616; [L93] SORT_3 input_618; [L94] SORT_3 input_623; [L95] SORT_21 input_664; [L96] SORT_21 input_665; [L97] SORT_21 input_666; [L98] SORT_21 input_667; [L99] SORT_21 input_670; [L100] SORT_21 input_674; [L101] SORT_21 input_678; [L102] SORT_21 input_686; [L103] SORT_21 input_690; [L104] SORT_21 input_692; [L105] SORT_21 input_696; [L106] SORT_21 input_699; [L107] SORT_21 input_703; [L108] SORT_21 input_708; [L109] SORT_21 input_712; [L110] SORT_21 input_717; [L111] SORT_21 input_719; [L112] SORT_21 input_720; [L113] SORT_21 input_722; [L114] SORT_21 input_726; [L115] SORT_21 input_732; [L116] SORT_21 input_739; [L117] SORT_21 input_740; [L118] SORT_21 input_742; [L119] SORT_21 input_746; [L120] SORT_21 input_752; [L121] SORT_21 input_754; [L122] SORT_21 input_755; [L123] SORT_21 input_757; [L124] SORT_21 input_761; [L125] SORT_21 input_767; [L126] SORT_21 input_771; [L127] SORT_21 input_776; [L128] SORT_21 input_778; [L129] SORT_21 input_784; [L130] SORT_21 input_796; [L131] SORT_3 input_801; [L132] SORT_3 input_810; [L133] SORT_3 input_829; [L134] SORT_3 input_836; [L135] SORT_3 input_847; [L136] SORT_3 input_853; [L137] SORT_3 input_859; [L138] SORT_3 input_865; [L139] SORT_3 input_871; [L140] SORT_3 input_877; [L141] SORT_3 input_883; [L142] SORT_3 input_889; [L143] SORT_3 input_895; [L144] SORT_3 input_901; [L145] SORT_3 input_907; [L146] SORT_3 input_913; [L147] SORT_3 input_919; [L149] SORT_21 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_21; [L150] SORT_21 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_21; [L151] SORT_3 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L152] SORT_3 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L153] SORT_3 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L154] SORT_3 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L155] SORT_3 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L156] SORT_3 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L157] SORT_3 state_82 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L158] SORT_3 state_99 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L159] SORT_3 state_102 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L160] SORT_3 state_104 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L161] SORT_3 state_108 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L162] SORT_3 state_112 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L163] SORT_3 state_117 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L164] SORT_3 state_120 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L165] SORT_3 state_130 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L166] SORT_3 state_137 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L167] SORT_3 state_140 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L168] SORT_3 state_149 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L169] SORT_3 state_154 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L170] SORT_3 state_157 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L171] SORT_3 state_169 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L172] SORT_3 state_179 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L173] SORT_3 state_184 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L174] SORT_3 state_187 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L175] SORT_3 state_196 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L176] SORT_3 state_209 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L177] SORT_3 state_222 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L179] SORT_21 init_24_arg_1 = var_22; [L180] state_23 = init_24_arg_1 [L181] SORT_21 init_27_arg_1 = var_22; [L182] state_26 = init_27_arg_1 [L183] SORT_3 init_51_arg_1 = var_49; [L184] state_50 = init_51_arg_1 [L185] SORT_3 init_53_arg_1 = var_49; [L186] state_52 = init_53_arg_1 [L187] SORT_3 init_55_arg_1 = var_49; [L188] state_54 = init_55_arg_1 [L189] SORT_3 init_59_arg_1 = var_49; [L190] state_58 = init_59_arg_1 [L191] SORT_3 init_63_arg_1 = var_49; [L192] state_62 = init_63_arg_1 [L193] SORT_3 init_67_arg_1 = var_49; [L194] state_66 = init_67_arg_1 [L195] SORT_3 init_83_arg_1 = var_49; [L196] state_82 = init_83_arg_1 [L197] SORT_3 init_100_arg_1 = var_49; [L198] state_99 = init_100_arg_1 [L199] SORT_3 init_103_arg_1 = var_49; [L200] state_102 = init_103_arg_1 [L201] SORT_3 init_105_arg_1 = var_49; [L202] state_104 = init_105_arg_1 [L203] SORT_3 init_109_arg_1 = var_49; [L204] state_108 = init_109_arg_1 [L205] SORT_3 init_113_arg_1 = var_49; [L206] state_112 = init_113_arg_1 [L207] SORT_3 init_118_arg_1 = var_49; [L208] state_117 = init_118_arg_1 [L209] SORT_3 init_121_arg_1 = var_49; [L210] state_120 = init_121_arg_1 [L211] SORT_3 init_131_arg_1 = var_49; [L212] state_130 = init_131_arg_1 [L213] SORT_3 init_138_arg_1 = var_49; [L214] state_137 = init_138_arg_1 [L215] SORT_3 init_141_arg_1 = var_49; [L216] state_140 = init_141_arg_1 [L217] SORT_3 init_150_arg_1 = var_49; [L218] state_149 = init_150_arg_1 [L219] SORT_3 init_155_arg_1 = var_49; [L220] state_154 = init_155_arg_1 [L221] SORT_3 init_158_arg_1 = var_49; [L222] state_157 = init_158_arg_1 [L223] SORT_3 init_170_arg_1 = var_49; [L224] state_169 = init_170_arg_1 [L225] SORT_3 init_180_arg_1 = var_49; [L226] state_179 = init_180_arg_1 [L227] SORT_3 init_185_arg_1 = var_49; [L228] state_184 = init_185_arg_1 [L229] SORT_3 init_188_arg_1 = var_49; [L230] state_187 = init_188_arg_1 [L231] SORT_3 init_197_arg_1 = var_49; [L232] state_196 = init_197_arg_1 [L233] SORT_3 init_210_arg_1 = var_49; [L234] state_209 = init_210_arg_1 [L235] SORT_3 init_223_arg_1 = var_49; [L236] state_222 = init_223_arg_1 VAL [init_100_arg_1=0, init_103_arg_1=0, init_105_arg_1=0, init_109_arg_1=0, init_113_arg_1=0, init_118_arg_1=0, init_121_arg_1=0, init_131_arg_1=0, init_138_arg_1=0, init_141_arg_1=0, init_150_arg_1=0, init_155_arg_1=0, init_158_arg_1=0, init_170_arg_1=0, init_180_arg_1=0, init_185_arg_1=0, init_188_arg_1=0, init_197_arg_1=0, init_210_arg_1=0, init_223_arg_1=0, init_24_arg_1=1, init_27_arg_1=1, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_59_arg_1=0, init_63_arg_1=0, init_67_arg_1=0, init_83_arg_1=0, mask_SORT_1=3, mask_SORT_12=15, mask_SORT_16=255, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, msb_SORT_1=2, msb_SORT_12=8, msb_SORT_16=128, msb_SORT_21=64, msb_SORT_3=1, msb_SORT_6=4, state_102=0, state_104=0, state_108=0, state_112=0, state_117=0, state_120=0, state_130=0, state_137=0, state_140=0, state_149=0, state_154=0, state_157=0, state_169=0, state_179=0, state_184=0, state_187=0, state_196=0, state_209=0, state_222=0, state_23=1, state_26=1, state_50=0, state_52=0, state_54=0, state_58=0, state_62=0, state_66=0, state_82=0, state_99=0, var_134=0, var_22=1, var_28=0, var_32=2, var_35=4, var_38=64, var_45=1, var_49=0, var_728=8, var_748=16, var_763=32] [L239] input_2 = __VERIFIER_nondet_uchar() [L240] input_4 = __VERIFIER_nondet_uchar() [L241] input_5 = __VERIFIER_nondet_uchar() [L242] input_7 = __VERIFIER_nondet_uchar() [L243] input_7 = input_7 & mask_SORT_6 [L244] input_8 = __VERIFIER_nondet_uchar() [L245] input_9 = __VERIFIER_nondet_uchar() [L246] input_10 = __VERIFIER_nondet_uchar() [L247] input_11 = __VERIFIER_nondet_uchar() [L248] input_13 = __VERIFIER_nondet_uchar() [L249] input_14 = __VERIFIER_nondet_uchar() [L250] input_15 = __VERIFIER_nondet_uchar() [L251] input_17 = __VERIFIER_nondet_uchar() [L252] input_18 = __VERIFIER_nondet_uchar() [L253] input_19 = __VERIFIER_nondet_uchar() [L254] input_20 = __VERIFIER_nondet_uchar() [L255] input_356 = __VERIFIER_nondet_uchar() [L256] input_378 = __VERIFIER_nondet_uchar() [L257] input_393 = __VERIFIER_nondet_uchar() [L258] input_408 = __VERIFIER_nondet_uchar() [L259] input_423 = __VERIFIER_nondet_uchar() [L260] input_438 = __VERIFIER_nondet_uchar() [L261] input_453 = __VERIFIER_nondet_uchar() [L262] input_468 = __VERIFIER_nondet_uchar() [L263] input_483 = __VERIFIER_nondet_uchar() [L264] input_498 = __VERIFIER_nondet_uchar() [L265] input_513 = __VERIFIER_nondet_uchar() [L266] input_528 = __VERIFIER_nondet_uchar() [L267] input_543 = __VERIFIER_nondet_uchar() [L268] input_558 = __VERIFIER_nondet_uchar() [L269] input_573 = __VERIFIER_nondet_uchar() [L270] input_588 = __VERIFIER_nondet_uchar() [L271] input_604 = __VERIFIER_nondet_uchar() [L272] input_606 = __VERIFIER_nondet_uchar() [L273] input_608 = __VERIFIER_nondet_uchar() [L274] input_610 = __VERIFIER_nondet_uchar() [L275] input_612 = __VERIFIER_nondet_uchar() [L276] input_614 = __VERIFIER_nondet_uchar() [L277] input_616 = __VERIFIER_nondet_uchar() [L278] input_618 = __VERIFIER_nondet_uchar() [L279] input_623 = __VERIFIER_nondet_uchar() [L280] input_664 = __VERIFIER_nondet_uchar() [L281] input_665 = __VERIFIER_nondet_uchar() [L282] input_666 = __VERIFIER_nondet_uchar() [L283] input_667 = __VERIFIER_nondet_uchar() [L284] input_670 = __VERIFIER_nondet_uchar() [L285] input_674 = __VERIFIER_nondet_uchar() [L286] input_678 = __VERIFIER_nondet_uchar() [L287] input_686 = __VERIFIER_nondet_uchar() [L288] input_690 = __VERIFIER_nondet_uchar() [L289] input_692 = __VERIFIER_nondet_uchar() [L290] input_696 = __VERIFIER_nondet_uchar() [L291] input_699 = __VERIFIER_nondet_uchar() [L292] input_703 = __VERIFIER_nondet_uchar() [L293] input_708 = __VERIFIER_nondet_uchar() [L294] input_712 = __VERIFIER_nondet_uchar() [L295] input_717 = __VERIFIER_nondet_uchar() [L296] input_719 = __VERIFIER_nondet_uchar() [L297] input_720 = __VERIFIER_nondet_uchar() [L298] input_722 = __VERIFIER_nondet_uchar() [L299] input_726 = __VERIFIER_nondet_uchar() [L300] input_732 = __VERIFIER_nondet_uchar() [L301] input_739 = __VERIFIER_nondet_uchar() [L302] input_740 = __VERIFIER_nondet_uchar() [L303] input_742 = __VERIFIER_nondet_uchar() [L304] input_746 = __VERIFIER_nondet_uchar() [L305] input_752 = __VERIFIER_nondet_uchar() [L306] input_754 = __VERIFIER_nondet_uchar() [L307] input_755 = __VERIFIER_nondet_uchar() [L308] input_757 = __VERIFIER_nondet_uchar() [L309] input_761 = __VERIFIER_nondet_uchar() [L310] input_767 = __VERIFIER_nondet_uchar() [L311] input_771 = __VERIFIER_nondet_uchar() [L312] input_776 = __VERIFIER_nondet_uchar() [L313] input_778 = __VERIFIER_nondet_uchar() [L314] input_784 = __VERIFIER_nondet_uchar() [L315] input_796 = __VERIFIER_nondet_uchar() [L316] input_801 = __VERIFIER_nondet_uchar() [L317] input_810 = __VERIFIER_nondet_uchar() [L318] input_829 = __VERIFIER_nondet_uchar() [L319] input_836 = __VERIFIER_nondet_uchar() [L320] input_847 = __VERIFIER_nondet_uchar() [L321] input_853 = __VERIFIER_nondet_uchar() [L322] input_859 = __VERIFIER_nondet_uchar() [L323] input_865 = __VERIFIER_nondet_uchar() [L324] input_871 = __VERIFIER_nondet_uchar() [L325] input_877 = __VERIFIER_nondet_uchar() [L326] input_883 = __VERIFIER_nondet_uchar() [L327] input_889 = __VERIFIER_nondet_uchar() [L328] input_895 = __VERIFIER_nondet_uchar() [L329] input_901 = __VERIFIER_nondet_uchar() [L330] input_907 = __VERIFIER_nondet_uchar() [L331] input_913 = __VERIFIER_nondet_uchar() [L332] input_919 = __VERIFIER_nondet_uchar() [L335] SORT_21 var_25_arg_0 = state_23; [L336] SORT_21 var_25_arg_1 = var_22; [L337] SORT_3 var_25 = var_25_arg_0 == var_25_arg_1; [L338] SORT_21 var_29_arg_0 = state_26; [L339] SORT_21 var_29_arg_1 = var_28; [L340] SORT_3 var_29 = var_29_arg_0 == var_29_arg_1; [L341] SORT_21 var_30_arg_0 = state_26; [L342] SORT_21 var_30_arg_1 = var_22; [L343] SORT_3 var_30 = var_30_arg_0 == var_30_arg_1; [L344] SORT_3 var_31_arg_0 = var_29; [L345] SORT_3 var_31_arg_1 = var_30; [L346] SORT_3 var_31 = var_31_arg_0 | var_31_arg_1; [L347] SORT_21 var_33_arg_0 = state_26; [L348] SORT_21 var_33_arg_1 = var_32; [L349] SORT_3 var_33 = var_33_arg_0 == var_33_arg_1; [L350] SORT_3 var_34_arg_0 = var_31; [L351] SORT_3 var_34_arg_1 = var_33; [L352] SORT_3 var_34 = var_34_arg_0 | var_34_arg_1; [L353] SORT_21 var_36_arg_0 = state_26; [L354] SORT_21 var_36_arg_1 = var_35; [L355] SORT_3 var_36 = var_36_arg_0 == var_36_arg_1; [L356] SORT_3 var_37_arg_0 = var_34; [L357] SORT_3 var_37_arg_1 = var_36; [L358] SORT_3 var_37 = var_37_arg_0 | var_37_arg_1; [L359] SORT_21 var_39_arg_0 = state_26; [L360] SORT_21 var_39_arg_1 = var_38; [L361] SORT_3 var_39 = var_39_arg_0 == var_39_arg_1; [L362] SORT_3 var_40_arg_0 = var_37; [L363] SORT_3 var_40_arg_1 = var_39; [L364] SORT_3 var_40 = var_40_arg_0 | var_40_arg_1; [L365] SORT_3 var_41_arg_0 = var_25; [L366] SORT_3 var_41_arg_1 = var_40; [L367] SORT_3 var_41 = var_41_arg_0 & var_41_arg_1; [L368] SORT_21 var_42_arg_0 = state_23; [L369] SORT_21 var_42_arg_1 = var_22; [L370] SORT_3 var_42 = var_42_arg_0 == var_42_arg_1; [L371] SORT_3 var_43_arg_0 = var_42; [L372] SORT_3 var_43 = ~var_43_arg_0; [L373] SORT_3 var_44_arg_0 = var_41; [L374] SORT_3 var_44_arg_1 = var_43; [L375] SORT_3 var_44 = var_44_arg_0 | var_44_arg_1; [L376] SORT_3 var_46_arg_0 = var_44; [L377] SORT_3 var_46 = ~var_46_arg_0; [L378] SORT_3 var_47_arg_0 = var_45; [L379] SORT_3 var_47_arg_1 = var_46; [L380] SORT_3 var_47 = var_47_arg_0 & var_47_arg_1; [L381] var_47 = var_47 & mask_SORT_3 [L382] SORT_3 bad_48_arg_0 = var_47; [L383] CALL __VERIFIER_assert(!(bad_48_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 11:51:19,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 98e7eedcdf033c8727ad68c9755fbd9406747e7d7f7209ac82b695f1bd3a1f81 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:51:22,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:51:22,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:51:22,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:51:22,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:51:22,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:51:22,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:51:22,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:51:22,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:51:22,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:51:22,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:51:22,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:51:22,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:51:22,574 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:51:22,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:51:22,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:51:22,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:51:22,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:51:22,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:51:22,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:51:22,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:51:22,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:51:22,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:51:22,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:51:22,606 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:51:22,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:51:22,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:51:22,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:51:22,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:51:22,614 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:51:22,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:51:22,615 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:51:22,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:51:22,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:51:22,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:51:22,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:51:22,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:51:22,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:51:22,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:51:22,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:51:22,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:51:22,642 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 11:51:22,678 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:51:22,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:51:22,680 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:51:22,680 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:51:22,681 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:51:22,681 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:51:22,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:51:22,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:51:22,683 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:51:22,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:51:22,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:51:22,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:51:22,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:51:22,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:51:22,686 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:51:22,686 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 11:51:22,687 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 11:51:22,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:51:22,687 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:51:22,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:51:22,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:51:22,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:51:22,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:51:22,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:51:22,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:51:22,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:51:22,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:51:22,690 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 11:51:22,690 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 11:51:22,691 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:51:22,691 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:51:22,691 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:51:22,692 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 11:51:22,692 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_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98e7eedcdf033c8727ad68c9755fbd9406747e7d7f7209ac82b695f1bd3a1f81 [2022-11-20 11:51:23,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:51:23,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:51:23,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:51:23,234 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:51:23,234 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:51:23,236 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c [2022-11-20 11:51:26,909 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:51:27,314 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:51:27,315 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c [2022-11-20 11:51:27,343 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/data/d0554adb1/d12d7cb6dfa8480eb6d9679fc1f366d0/FLAG73c6734f2 [2022-11-20 11:51:27,364 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/data/d0554adb1/d12d7cb6dfa8480eb6d9679fc1f366d0 [2022-11-20 11:51:27,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:51:27,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:51:27,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:51:27,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:51:27,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:51:27,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:51:27" (1/1) ... [2022-11-20 11:51:27,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@600a0d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:27, skipping insertion in model container [2022-11-20 11:51:27,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:51:27" (1/1) ... [2022-11-20 11:51:27,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:51:27,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:51:27,743 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c[1107,1120] [2022-11-20 11:51:28,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:51:28,180 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:51:28,192 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c[1107,1120] [2022-11-20 11:51:28,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:51:28,413 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:51:28,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:28 WrapperNode [2022-11-20 11:51:28,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:51:28,415 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:51:28,415 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:51:28,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:51:28,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:28" (1/1) ... [2022-11-20 11:51:28,472 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:28" (1/1) ... [2022-11-20 11:51:28,635 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2485 [2022-11-20 11:51:28,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:51:28,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:51:28,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:51:28,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:51:28,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:28" (1/1) ... [2022-11-20 11:51:28,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:28" (1/1) ... [2022-11-20 11:51:28,676 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:28" (1/1) ... [2022-11-20 11:51:28,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:28" (1/1) ... [2022-11-20 11:51:28,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:28" (1/1) ... [2022-11-20 11:51:28,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:28" (1/1) ... [2022-11-20 11:51:28,787 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:28" (1/1) ... [2022-11-20 11:51:28,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:28" (1/1) ... [2022-11-20 11:51:28,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:51:28,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:51:28,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:51:28,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:51:28,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:28" (1/1) ... [2022-11-20 11:51:28,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:51:28,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:51:28,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:51:28,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:51:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:51:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:51:29,692 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:51:29,694 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:51:33,881 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:51:33,890 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:51:33,890 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 11:51:33,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:51:33 BoogieIcfgContainer [2022-11-20 11:51:33,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:51:33,931 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:51:33,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:51:33,936 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:51:33,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:51:27" (1/3) ... [2022-11-20 11:51:33,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ece97dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:51:33, skipping insertion in model container [2022-11-20 11:51:33,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:51:28" (2/3) ... [2022-11-20 11:51:33,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ece97dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:51:33, skipping insertion in model container [2022-11-20 11:51:33,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:51:33" (3/3) ... [2022-11-20 11:51:33,943 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p4.c [2022-11-20 11:51:33,966 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:51:33,967 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:51:34,035 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:51:34,043 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6f89837c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:51:34,043 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:51:34,049 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:51:34,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 11:51:34,057 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:51:34,058 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 11:51:34,059 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:51:34,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:51:34,064 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-20 11:51:34,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:51:34,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777171289] [2022-11-20 11:51:34,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:51:34,082 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:51:34,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:51:34,083 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:51:34,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 11:51:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:51:34,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-20 11:51:34,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:51:35,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:51:35,131 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:51:35,132 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:51:35,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777171289] [2022-11-20 11:51:35,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1777171289] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:51:35,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:51:35,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:51:35,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463321200] [2022-11-20 11:51:35,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:51:35,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:51:35,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:51:35,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:51:35,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:51:35,189 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:51:35,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:51:35,492 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-20 11:51:35,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:51:35,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2022-11-20 11:51:35,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:51:35,504 INFO L225 Difference]: With dead ends: 20 [2022-11-20 11:51:35,504 INFO L226 Difference]: Without dead ends: 11 [2022-11-20 11:51:35,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:51:35,511 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:51:35,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 11:51:35,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-20 11:51:35,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-20 11:51:35,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:51:35,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-20 11:51:35,550 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-20 11:51:35,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:51:35,551 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-20 11:51:35,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:51:35,551 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-20 11:51:35,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 11:51:35,552 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:51:35,552 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-20 11:51:35,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 11:51:35,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:51:35,766 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:51:35,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:51:35,767 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-20 11:51:35,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:51:35,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2035133557] [2022-11-20 11:51:35,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:51:35,772 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:51:35,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:51:35,773 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:51:35,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 11:51:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:51:37,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 2326 conjuncts, 229 conjunts are in the unsatisfiable core [2022-11-20 11:51:37,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:51:44,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 11:51:44,526 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:02:45,544 WARN L233 SmtUtils]: Spent 39.97s on a formula simplification. DAG size of input: 1576 DAG size of output: 510 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-20 12:02:48,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:02:48,979 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:02:48,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2035133557] [2022-11-20 12:02:48,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2035133557] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:02:48,980 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:02:48,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-20 12:02:48,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768266678] [2022-11-20 12:02:48,981 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 12:02:48,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 12:02:48,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:02:48,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 12:02:48,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-20 12:02:48,985 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:02:49,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:02:49,621 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-20 12:02:49,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 12:02:49,622 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 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 8 [2022-11-20 12:02:49,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:02:49,623 INFO L225 Difference]: With dead ends: 16 [2022-11-20 12:02:49,623 INFO L226 Difference]: Without dead ends: 14 [2022-11-20 12:02:49,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 41.7s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:02:49,626 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:02:49,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 22 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 10 Unchecked, 0.5s Time] [2022-11-20 12:02:49,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-20 12:02:49,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-20 12:02:49,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:02:49,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-20 12:02:49,633 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-20 12:02:49,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:02:49,634 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-20 12:02:49,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:02:49,635 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-20 12:02:49,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 12:02:49,635 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:02:49,636 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-20 12:02:49,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-11-20 12:02:49,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:02:49,855 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:02:49,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:02:49,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-20 12:02:49,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:02:49,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [58252262] [2022-11-20 12:02:49,862 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 12:02:49,862 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:02:49,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:02:49,864 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:02:49,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a39f3d69-f3a6-4c29-aa06-d2d4ff0416ae/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 12:02:51,900 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 12:02:51,900 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:02:51,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 4424 conjuncts, 198 conjunts are in the unsatisfiable core [2022-11-20 12:02:52,033 INFO L286 TraceCheckSpWp]: Computing forward predicates...